Home What Is Euphoria? Documentation News EUforum Download Euphoria Donate
Recent User Contributions The Archive Other Euphoria Web Sites RDS Development Related Books & Software
The Archive

Mathematics

GEN Matheval 86KMatthew Lewis Apr 20/06 this program has happy users! 7.20 click here to update this entry
A math package with the ability to do simple symbolic algebra and calculus. Apr 20: v1.65: Added date/time functions, additional text functions
 
GEN Simpson's Rule 15KDon Cahela Mar 24/06 this program has happy users! 4.40 click here to update this entry
Integration of f(x) over a specified interval using Simpson's Rule or Boole's rule with interval halving. Recursive versions coded for 1, 2 and 3D integration. Test problems included. Mar 24: Molecular orbit type test function added to all methods.
 
WIN AI Trainer 4000KWes Hermanson May 3/06 this program has happy users! 3.00 click here to update this entry
The Ai Trainer is a real-time, plain-English artificial intelligence scripting engine for use in developing non-neural, weighted logic and knowledge-based agents. (source not included) May 3: none (download link)
 
GEN Number conversions 3KDavid Money Dec 31/05 this program has happy users! 3.00 click here to update this entry
Miscellaneous number conversion routines. Convert to and from Roman numerals, convert floating point number string in any base to atom, convert number string to English text. Add appropriate ordinal string (th, nd, st) to number.
 
GEN Bresenham/Bezier Curves 3KBarbarella Sep 3/02 this program has happy users! 2.75 click here to update this entry
A library for all platforms that generates Bresenham lines and Bezier curves. The points are returned as x-y coordinates in a sequence. A DOS demo is included.
 
DOS Parameter Estimation in ODEs 270KDon Cahela Jan 20/14 this program has happy users! 2.50 click here to update this entry
Estimation of parameters in ODE based models- "PESTODE", by Newton-Raphson method followed by quasilinearization. Compiled program, but source code for the library of ODE models is given. Nineteen examples illustrate use of PESTODE. Jan 20: Modified models of heat up of packed tube to estimate themal conductivity and wall heat transfer coefficient. Added a step shortening parameter.
 
GEN Runge-Kutta Numerical Integration 86KDon Cahela Mar 8/06 this program has happy users! 2.50 click here to update this entry
A numerical integration package for non-stiff ordinary differential equations. Classical 4th order Runge-Kutta method or Verner's 5th/6th order pair to solve any number of simultaneous ODEs. Mar 8: Added "contls" to parameter list. See parameter estimation in ODEs.
 
GEN Extended Precision Arithmetic 11KAntoine Tammer May 30/02 this program has happy users! 2.00 click here to update this entry
The first release of a library that provides extra precision (digits) on math calculations.
 
GEN Simplex Algorithm 18KGerardo Valenzuela Lozada May 12/03 this program has happy users! 1.90 click here to update this entry
A program that implements the Primal Simplex algorithm used in solving linear programming minimization or maximization problems. It uses his enhanced data reading function library (GET_ENH.E). Several sample data files are included. See ReadMe.txt for instructions.
 
GEN Complex LU decomposition 2KDon Cahela Dec 22/06 this program has happy users! 1.80 click here to update this entry
Complex number linear algebra solution of Ax=b by lower-upper decomposition. Includes a routine to invert a complex square matrix. Testing code included. Dec 22: Test code moved to separate file and output more readable.
 
WIN InPlace Scientific Calculator and Server 231KAl Getz Apr 8/05 this program has happy users! 1.50 click here to update this entry
A scientific calculator and math server. Use as a stand-alone calculator or send data to another calc for evalulation, or use as a math server to your own app. Built in functions include algebra, trig, calculus, regression. In-Place eval allows math calculations to take place right within the text document. Load and save functions and vars for later use. Includes EE formulas. Apr 8: Now has a built-in appointment calendar. EE formulas updated with Ohm's Law and Simpson's Error. Separate property sheet page for Catalog.
 
WIN Image Evolver 371KAlexander Toresson May 28/03 this program has happy users! 1.20 click here to update this entry
A program to evolve pictures of mathematical expressions using genetic algorithms. It's able to do cross-overs and mutations of pictures. May 28: bug fix, some new functions
 
GEN Simultaneous Equations 31KDon Cahela Mar 18/13 this program has happy users! 1.00 click here to update this entry
Routines for solving N linear equations in N unknowns. Lower-Upper decomposition with row pivoting that retains intermediate results for future use. Also, routines for tridiagonal, block tridiagonal, pentadiagonal, block pentadiagonal, tridag and block tridag for periodic boundary conditions, Jacoby block iteration, and a version with sparse matrix storage implemented. Mar 18: LU decomposition with row pivoting added.
 
GEN Library of Statistical Functions 33KCharles Newbould Apr 9/10 this program has happy users! 1.00 click here to update this entry
A library of descriptive statistical functions. Includes full html documentation. Apr 9: More functions added. Folder of worked examples.
 
GEN Math Library 16KDon Cahela Jun 2/09 this program has happy users! 1.00 click here to update this entry
A library of functions that operate similarly to power(x,n). Also complex variable functions, statistical distributions, polynomial operations, and search for zero of general function. Test codes demonstrate use of each set of functions. Jun 2: Added interval halving version of root search.
 
GEN HexMath 14KMichael J. Sabal Sep 29/08 this program has happy users! 1.00 click here to update this entry
A set of routines for performing mathematical operations on almost infinitely large hexadecimal integers. Pre-alpha version. Sep 29: Restored missing file.
 
GEN Hypatia Command Line Calculator 105KRobert Schächter Oct 30/07 this program has happy users! 1.00 click here to update this entry
Hypatia is a reasonably easy to use RPN (Reverse Polish Notation) calculator for friends of the command line prompt. It runs in text mode as a command line tool. A Windows executable is available. Linux/Unix not tested, may require minor adaptations.
 
GEN Financial Calculator 3KJaime Marcos Oct 25/06 this program has happy users! 1.00 click here to update this entry
This lets you make all the usual financial calcutations: simple/compound/continuous interest, NAR, ordinary/due annuities, ballon payments, perpetuities, etc. A battery of solved examples is included. The iterative calculation of the interest is performed to the maximum precision of the machine.
 
GEN Hyperbolic and List Routines 3KBrad Olson Feb 4/03 this program has happy users! 1.00 click here to update this entry
Hyperbolic trig functions, plus some interesting generic list routines.
 
WIN Regression Analysis 87KMarcelo Molina Apr 20/02 this program has happy users! 1.00 click here to update this entry
A program that fits laboratory data to a curve. (The user interface is in Spanish).
 
GEN Normal Distribution 1KErik van Kampen Apr 10/01 this program has happy users! 0.70 click here to update this entry
A routine that generates a series of numbers with a Normal (Gaussian) distribution. You can choose how many numbers you want, along with the mean and standard deviation.
 
GEN Big Number Arithmetic 13KCraig Gilbert Jul 13/97 this program has happy users! 0.70 click here to update this entry
routines for performing arithmetic on huge numbers. He uses sequences to store thousands of digits for addition, multiplication, division, etc. -- even factoring. Note: the author warns that this code contains a lot of bugs.
 
GEN Handling Undefined Values 1KJuergen Luethje Sep 27/07 this program has happy users! 0.60 click here to update this entry
Logical, relational and arithmetic operations that can handle the value 'unknown'. If the operands are known numbers, the same results as from standard Euphoria operations will be returned. Sep 27: updated contact information
 
DOS GA Math V1.2 66KDB James Sep 30/05 this program has happy users! 0.50 click here to update this entry
GA Math is a genetic algorithm program. The user enters a formula and a population of GA beings evolves an algorithm that yields the correct answer to the entered formula. Each "gene" of the beings applies a basic math operation. The sets of genes in the population change over time and tend toward those that give the correct answer. Sep 30: Generally faster. Flicker-free screen. Added more private numbers. Many other small changes. Added to docs.
 
GEN Faster PI Calculation 4KLaurence Draper Sep 24/98 this program has happy users! 0.50 click here to update this entry
a fast PI calculator that calculates PI to as many digits as you like.
 
GEN Roman Numbers 17KJames Cook Jun 21/17   click here to update this entry
Ancient Romans included both the leading and trailing items in the count. The modern computer system starts counting at zero up until one minus 2^bits. Strings are further complicated by needing an extra zero terminating character. This library can calculate the correct value when converting Ancient Roman numbers to modern numbers.
 
GEN English numbers 18KJames Cook updated May 27/17   click here to update this entry
English numbers allows someone to type in a number and read it in natural English language. For those who cannot count up to one quadrillion. It is important that everyone should know how to count in English. May 27: Freeware license.
 
GEN eu_number 120KJames Cook updated May 14/17   click here to update this entry
Bignum math as sequences of digits with exponents. Does addition, multiplication, subtraction, multiplicative inverse (1/x), division, exp, and log. Defaults to length equals 100 for speed, (can be 1000s with base 10), max_radix = 0x800000. Keep in mind to check the exponent and the number. Ported to several different programming languages. May 14: Fixed bug in rounding functions. myeunumber folder is in big-endian. Added little-endian version of myeunumber.e
 
GEN Math (v1.00) 30KShian Lee Feb 18/17   click here to update this entry
Math.e provides math routines for Euphoria 3.1.1 (Constants, Comparisons, Accumulation, Rounding and Remainders, Logarithms and Powers, Random Numbers, Prime Numbers, Trigonometry, Hyperbolic Trigonometry and Misc). Includes standard user manual.
 
GEN myquadmath 1039KJames Cook updated Feb 2/17   click here to update this entry
equadmath for Windows/Ubuntu 64-bit. Does addition, subtraction, multiplication, division, and quadmath functions in both __float128 and __complex128. Requires Euphoria 4.1 for Windows/Linux 64-bit for myquadmath.e, and 64-bit gcc for myquadmath.h Passes pointers to float128 numbers. Contains working 64-bit dll/so's and exe/out's. Feb 2: changed link to sourceforge for download
 
WIN myquadmath 665KJames Cook updated Jan 28/17   click here to update this entry
equadmath for Windows 64-bit. Does addition, subtraction, multiplication, division, and quadmath functions in both __float128 and __complex128. Requires Euphoria 4.1 for Windows 64-bit for myquadmath.e, and win-builds.org 64-bit gcc for myquadmath.h Passes pointers to float128 numbers. Contains working 64-bit dll's and exe's. Jan 28: compiled using strawberry perl's 64-bit gcc compiler for Windows
 
GEN Amortization Tables 5KKenneth Rhodes updated Nov 16/16   click here to update this entry
A simple program that calculates monthly payments on loans, mortgages etc. Nov 16: Minor edit - now compatible with OpenEuphoria 4.0
 
GEN Expression evaluator 278KJean-Marc DURO Oct 4/16   click here to update this entry
A small expression evaluator to be used in scripts.
 
GEN Complex Number Calculator 11KShawn Pringle Dec 13/15   click here to update this entry
Complex number calculator for the console. Dec 13: fixed bad type
 
GEN bigatom.e - floating point numbers base 10 arbitrary precision. 27Kcargoan Dec 27/14   click here to update this entry
Floating point numbers in base 10 with arbitrary precision, with examples. Dec 27: improved euler function for speed (checked up to 1000000 decimals)
 
GEN Evaluate math expressions v1.1.0 22KShian Lee Dec 6/14   click here to update this entry
math eval() evaluates a string as though it were a math expression, e.g. "a+b/2", i.e. parses and calculates complex math expressions. Supports functions, operators, constants, variables and Euphoria 4.1 syntax. Includes standard user manual and two 'Expression Calculator' demo programs. Dec 6: Bug fix and new features - read in 'version.doc'.
 
GEN 2STROKE 2272KMike Duffy Feb 3/14   click here to update this entry
2-stroke exhaust design. Calculate n stage diffusers and lobster back bends. Automatically calculate all cone projections. Simple (2D) on screen graphics. Editor for cone sections with skewed and rotated ends. Outputs flat panel as TXT DXF PS EPS. Will split projections for printer sheets. Math routines and a multi-mode text/svga input routine, are in separate include files. Feb 3: Replaced bad copy of DosBox, some minor fixes.
 
GEN Decode base58 to binary 2KShawn Pringle Dec 26/13   click here to update this entry
decoder and encoder. Converts bitcoin base58 strings to binary or EUPHORIA sequences.
 
GEN domecalc1.3a 14KKenneth Rhodes Oct 23/13   click here to update this entry
Calculates geodesic dome "strut" lengths, floor area, surface area, volume, etc, based on 2, 3, or 4 Frequency, Class 1, Method 1, Icosahedrons as well as 4 frequency Class 1, Method 2, Icosahedrons. Selectable units of measure - Switch to any length of measure. (Most lengths are reported in carpenters fractions as well)
 
WIN Permutations 962KFred Ransom Apr 10/13   click here to update this entry
Permutations: This presents a Permutations namespace for n items taken m (<= n) at a time. It creates and delivers one permutation with each call to Permutations:next(). It also keeps track of parity, thus making it useful for some things in linear algebra. Determinants, matrix inverse and solving simultaneous equations are illustrated. All routines were chosen to illustrate use of permutations rather than speed. Although the field of real numbers was assumed here, these routines will work for any field, such as complex numbers or the integers mod 7 when you define appropriate arithmetic operations. EU 4, Judith's IDE and Win32Lib. Permutations.e is general.
 
WIN Mixed Fractions 936KFred Ransom Apr 15/12   click here to update this entry
With mixed fractions you can represent 2 and 1/3 exactly. This little program fractions and the arithmetic operations that go with them. A piece of the code, although translated into Euphoria, is more than 2600 years old. EU 4 along with Win32lib and Judith's IDE. The program has not been thoroughly checked, so have fun.
 
LNX domecalc 2813KKenneth Rhodes Mar 22/12   click here to update this entry
domecalc computes the side lengths of the triangles of several types of icosahedrons commonly used to construct geodesic domes. Various other information such as area, surface area, volume is estimated as well. Several articles regarding geodesic math are included as well as a program, written in C, which computes a wealth of information from scratch.
 
LNX gnuplot interface for euphoria 10KGreg Haberek Jan 17/12   click here to update this entry
A build of and wrapper for the gnuplot_i library. You must have gnuplot installed to use this.
 
DOS PESTLRN 136KDon Cahela Oct 12/11   click here to update this entry
Program to estimate rate constants from "batch" data for networks of first order Rxns. PESTLRN uses Newton-Raphson method followed by quasilinearization. Compiled program, no source code. Three examples illustrate the use of PESTLRN.
 
GEN Fermat's test 1KMarco Achury Aug 17/11   click here to update this entry
A dumb try to find an error on Fermat's last theorem, Checking for any possible sum of squares and cubes. near to reach the higher legal integer value, was impossible to find any cubic sum... Single file, no includes needed, full source. Aug 17: better output
 
WIN 9-digit-problem 938KFred Ransom Apr 4/11   click here to update this entry
This little program solves the problem of finding products such that the digits 1 through 9 occur once and only once on each side of the equation. For example: 7143*25689 = 183496527. It also supplies a permutations namespace file. It introduces use of object oriented programming in Euphoria. It uses win32lib, EU 4 and Judith's IDE.
 
WIN Fractal - mandelbrot 559KHarald Reger Feb 13/11   click here to update this entry
Highly optimized mandelbrot set, very fast, zooming with factors, zooming into sections, variable iteration depth, use of functions in a dll. please read read_me.txt.
 
DOS Mathematical expression parser 191KCrash Apr 20/09   click here to update this entry
Small (and binded) parser. It can process almost any mathematical expression eg: 2+34-5*(3-46-4)+23... etc Variable definition allowed, and function declaration (not yet!)... WARNING: type #help for a brief of use. NO GUARANTIES! - CRASH -
 
GEN Big Fixed Math 13KLucius L. Hilley III Jun 2/08   click here to update this entry
An arbitrary precision math library with power, root, and logarithm functions. bigfixed.e is the only include file needed. math.e is some of his prototype code. Proof of concept.
 
GEN Portfolio Optimizer 50KRobert Craig Nov 9/07   click here to update this entry
Got the "subprime mortgage" blues? This program attempts to maximize return while minimizing risk in an investment portfolio. It tests millions of combinations of funds, eliminating all combinations that would seem to have both lower return and higher risk than some other combination. For each level of desired return, it shows you the safest possible combination of funds that should achieve that return.
 
GEN Einstein's Riddle 23KJuergen Luethje Sep 27/07   click here to update this entry
Extremely fast program for solving a notorious logical puzzle known as 'Einstein's riddle'. Sep 27: updated contact information
 
GEN Sum words function 1KIgor Galanin Sep 20/07   click here to update this entry
A function that writes number words (sum of money) and returns a text string in Russian. All comments in the source only in Russian.
 
GEN Knapsack: simple and fast 2KRicardo Forno Sep 2/07   click here to update this entry
A very simple but also very fast knapsack algorithm. Useful to: fill DVD's to the brim, equitibly divide goods, etc. Sep 2: Made algorithm somewhat faster. Added a sub-algorithm to show all possible solutions for each goal.
 
GEN Flat math evaluation library 9KCChris Aug 15/07   click here to update this entry
A mathematical expression library based on M. Stachon mseval.e. Returns a sequence of flat tokens, which are easier to manipulate. Can normalise an expression - one operator by pair of parentheses. Multiple variables supported. Doc can be generated using makedoc.exw from win32lib\Demo.
 
GEN Rounding function 1KJean-Marc DURO Mar 25/07   click here to update this entry
Rounds atom a to n decimals (ex: round(112.234, 1) = 112.2). n may be negative (ex: round(112, -2) = 100)
 
GEN Number e with thousands of digits 12KJaime Marcos Oct 20/06   click here to update this entry
A very fast program that computes the number e to thousands of decimal digits. The output is written as a text file, num_e.txt. For example, to compute e to 21000 decimal digits on a Pentium III at 845 MHz, it took only 37.18 seconds.
 
GEN Generalized Runge-Kutta Numerical Integration for Stiff ODEs 138KDon Cahela Mar 8/06   click here to update this entry
Numerical integration of "stiff" ordinary differential equations by generalized Runge-Kutta method. Problems with jacobian matrices of nxn, tridiagonal, pentadiagonal, block tridiagonal jacobian matrices, and block tridiagonal with periodic boundary conditions are covered. Examples included. Mar 8: Added "contls" to parameter list. See parameter estimation in ODEs.
 
WIN ParticleDraw (drawing progam / particle simulator) 517KJohn Ringland Feb 27/06   click here to update this entry
ParticleDraw is a novel Windows drawing program powered by a state of the art general system simulation engine. The brushes are dynamic systems of particles with interesting behaviours, which you can completely customise. This program is an implementation of abstract mathematics that arose from metaphysical research. It provides a virtual reality generative process that manifests virtual universes with fundamental properties similar to our own. This program is still in development and is evolving rapidly, it is entirely free with full source code and detailed information on the website. There is also another simple drawing program and a "Game of Life" program. See screen shots and more information or see the Gallery. Feb 27: ported to Windows with full menu system; psychedelic drawing functionality; better handling; zoom & pan
 
GEN Triangle library 16KCChris Feb 26/06   click here to update this entry
This library allows handling triangles in 3-dimensional space. It can determine the shadow of an object (a collection of triangles) casts on another, and has a rendering function allowing subtle coloring under Windows. This v0.1 has ample room for additions.
 
GEN Math Library 20KAl Getz Feb 12/06   click here to update this entry
A math library with complex argument handling and algebraic solutions to Quadratic and Cubic equations, as well as a full implementation of Newton's method in one variable for solving equations numerically. Also handles trig functions with complex arguments. Many demo function calls included. Feb 12: Small fix and added taking square root of a negative number to the demos.
 
DOS SMN Particle Simulator 226KJohn Ringland Feb 5/06   click here to update this entry
System Matrix Notation (SMN) is a new mathematical methodology for the representation, analysis and simulation of general systems. "SMN Particle Simulator" is a simple example implementation of SMN in the context of systems of particles (as a general proof-of-concept for the mathematical methodology). The program allows one to easily create and interact with systems of particles as one watches them evolve on the screen. There is also a dynamic drawing program and a "Game of Life" program. In general any type of system can be modeled and future versions of SMN will allow for arbitrary general systems and advanced analysis techniques. To view screen shots or read more information see: www.Anandavala.info/TASTMOTNOR/code/v3.2b/SMNPS3_2b.html Feb 5: Now there's three example programs, each with updated features such as zoom, stepping, etc.
 
GEN Calculations with long numbers 8KDavid Money Jan 25/06   click here to update this entry
A text string representing a floating point number of any length, in any base, is converted to a sequence. Routines are provided for basic math functions, and converting to any other base. The results can then be converted back to a text string for display. Jan 25: Fixed bug with base conversion routine. Added RPN calculator demo.
 
GEN Base Converter (beta1) 3Kjxliv7 - jon Dec 27/05   click here to update this entry
This include file (BC_beta_1.e) and DEMO (BC_demo.exw) converts integers as large as 1,073,741,823 to numbers in any base from 2 to 1,073,741,823, and vice versa. Beta limited to integers only. Source included. Documented.
 
WIN UCalc Wrapper and Calculator 8KAlex Chamberlain Oct 28/05   click here to update this entry
DLL Wrapper of ucalc32.dll - a very fast and accurate math expression evaluator. Also included is a calculator that uses the program. Oct 28: Version 1.b. No longer includes the download from ucalc.com (license violation). You must download UCalc FMP from http://www.ucalc.com. Now has Documentation. Beta - Very Little Testing. Please sort out/report bugs.
 
GEN Gridcalc 5KMichael J. Sabal Mar 11/05   click here to update this entry
A set of functions to convert from Maidenhead grids to latitute / longitude (decimal) and back, miles to kilometers and back, as well as to calculate distance and bearing between two points. No documentation yet, but it should be fairly clear what's going on. Keep in mind the US and western Europe are negative longitude, and eastern Europe and Asia are positive longitude.
 
DOS Short Circuit Computation Program 22KGerardo V. Lozada Apr 22/04   click here to update this entry
Calculate fault currents due to short circuits in electric utility power systems using the Rake model in conjunction with the Kron reduction method. Simulates all types of shunt faults: 3-phase, single-line-to-ground, line-to-line and double-line-t-ground. Apr 22: Includes missing modified math.e needed by the program.
 
DOS Newton-Raphson Loadflow Program 19KGerardo V. Lozada Apr 21/04   click here to update this entry
A program to compute the voltages and power flows within an electric utility power system using the Newton-Raphson method.
 
WIN STEELSNAKES - Exhaust Pipes Design 205KClaudio Emiliozzi Jan 2/04   click here to update this entry
A multi-cone exhaust pipes design program. This simple program allows you to design and print the external surfaces of cone sections (with slanted cuts) that can be arranged to obtain a professional Exhaust Pipe for 2 Stroke engines.
 
GEN Permutations and Combinations of up to 13 things 2KRalph Gillott Nov 6/03   click here to update this entry
1. permutation number q of s: perm_qs(3,"abcd")= "acbd" 2. selection q of r things from s: select_qrs(19,3,"abcde") = "bde" 3. permutation q of r things from s: perm_qrs(15,3,"abcd") = "cad"
 
WIN Boids 5KMatthew Lewis Sep 5/03   click here to update this entry
Win32Lib implementation of the classic complexity theory example showing emergent behavior from a simple set of rules. You can watch the Boids fly around in 3D and change parameters that affect their behavior.
 
WIN Distance Calculator 228KMichael S. Thompson Sep 5/03   click here to update this entry
A program for calculating road distances between cities. It uses Djikstra's algorithm. Source and executable included. Requires Win32Lib (included)
 
WIN Math Problem Generator 142KJon Sas Jun 24/03   click here to update this entry
This generates a page of random math problems. Addition, subtraction, multiplication and division.
 
GEN Cipher Tools 29KC. J. Silver Jan 3/03   click here to update this entry
A set of Euphoria tools for using ciphers, plus some other useful libraries. This was developed by a 13-year old for a science fair project.
 
GEN Big Math 216KMatthew Lewis Nov 12/02   click here to update this entry
A library that lets you perform calculations using numbers with close to 10,000 digits. The numbers can be extremely large and/or extremely precise. He uses a sophisticated technique based on the Chinese Remainder Theorem, as well as an EDS database to store previously-calculated results.
 
WIN Quadratic Equation 1KRubens Monteiro Luciano May 19/02   click here to update this entry
A very simple demo that might help a beginner to get started with Win32Lib.
 
WIN Travelling Salesman 6KMic Apr 28/02   click here to update this entry
A program that solves the Travelling Salesman problem, using a combination of Ant Colony Optimization, and Q-Learning. With some minor changes, this program can be made to run on the other platforms. Search for other Travelling Salesman solutions in the archive.
 
GEN Optimal Scaling 35KAlexei van Baaren Nov 1/01   click here to update this entry
A program used for scaling of data obtained by subjective means (i.e. opinion polls, surveys etc.).
 
GEN Aerodynamic Calculations 2KErik van Kampen Apr 21/01   click here to update this entry
A program that calculates the lift generated by an airplane wing of a given shape and size.
 
GEN Neural Network Bug Simulator 3KJohn McAdam Mar 12/01   click here to update this entry
A graphical educational program where a feedforward neural network helps a bug find food.
 
GEN Linear Least Squares 16KRolf Schroeder Feb 28/01   click here to update this entry
A linear least squares program for data reduction.
 
GEN Non-Linear Least Squares 16KRolf Schroeder Feb 28/01   click here to update this entry
A non-linear least squares program for data reduction.
 
GEN Analysis of Linear Models 33KAlexei van Baaren Jan 25/01   click here to update this entry
A program that helps you to analyse linear mathematical models including regression and covariance analysis.
 
DOS Travelling Salesman Problem 49KJiri Babor Nov 22/00   click here to update this entry
Jiri solves the famous travelling salesman problem with a program that uses his attractive new DOS widgets GUI package. Nov 22: new interface and widgets, includes standard 200-city set from Scientific American. See also the TSP programs by Jerry Story and Art Adamson (below).
 
WIN Chaos Grapher 106KSR Williamson Jul 21/00   click here to update this entry
A program that lets you experiment with functions that become chaotic for certain values.
 
GEN Factorial and Primes 8KAbhay Jan 25/00   click here to update this entry
Some simple programs for computing factorials and prime numbers. Jan 25: new programs plus a .doc file.
 
GEN Convert to Large Base 2KC. K. Lester Jan 19/00   click here to update this entry
A program that converts base 10 numbers to a large base, such as 254. It reduces the number of digits and saves space.
 
DOS Dado Dice Program 5KMarcos Donnantuoni Dec 20/99   click here to update this entry
A program that explores various combinations of dice.
 
GEN Assorted Math Routines 11KLaurence Draper Nov 30/99   click here to update this entry
A collection of advanced math routines such as FFT, Big Numbers, prime numbers, encryption etc.
 
GEN Statistics Program 1KVonFreudenhowser Aug 19/99   click here to update this entry
A program for performing a statistical calculation.
 
DOS 2-D Plotting Package 50KLeonid Shulman Apr 12/99   click here to update this entry
a fancy 2-d plotting package that includes a nice-looking demo.
 
GEN Simultaneous Equations 1KLaurence Draper Apr 9/99   click here to update this entry
routines for solving N equations in N unknowns.
 
DOS Neural Network 2KJeff Fielding Apr 7/99   click here to update this entry
code for experimenting with Neural Networks.
 
DOS Genetic Algorithms 7KJeff Fielding Apr 5/99   click here to update this entry
code for experimenting with genetic algorithms. These are algorithms that are improved through "natural selection", i.e. "survival of the fittest".
 
DOS Math Function Parsing and Plotting 305KDetlef Reimers Feb 24/99   click here to update this entry
a system for parsing and plotting math functions. He also included a Ghostscript program to display the resulting Postscript files. pkunzip with -d
 
GEN Math Routines 2KAndy Montgomery Feb 5/99   click here to update this entry
an extensive math library. Feb 5: new routines added
 
DOS Fuzzy Logic 12KHawke' Oct 3/98   click here to update this entry
A library that allows Euphoria programs to use "fuzzy" logic in the decision making process. He fully explains the concept of "fuzzy" logic and he includes many examples and benchmarks.
 
DOS Complex Numbers (with Fractal Demos) 5KNick Metcalfe Jul 3/98   click here to update this entry
a library of routines for exploring fractal mathematics using complex numbers.
 
GEN Ternary Trees 10KArt Adamson Jul 1/98   click here to update this entry
experiments with ternary trees, as opposed to the more common binary trees. Each node in the tree can have three children, rather than two. Note: You need the file WORDS.TXT from Junko Miura's spell checker (below).
 
GEN Knapsack Problem 6KArt Adamson Nov 11/97   click here to update this entry
a program that tries to optimally pack a knapsack (or truck or bin or whatever).
 
DOS Sine Wave 2KMr. Smily May 22/97   click here to update this entry
a simple program that shows how to plot a sine wave
 
DOS Command Line Calculator 5KMatt Sephton Apr 27/97   click here to update this entry
a handy little calculator. It does basic arithmetic plus hex and octal conversions.
 
GEN Faster PI Calculation 2KMichael Bolin Mar 29/97   click here to update this entry
a modified PI.EX to run as fast as the compiled Microsoft Basic version
 
DOS Scientific American 4KGavin Doig Mar 29/97   click here to update this entry
two interesting programs from Scientific American. One is a genetic algorithm that uses survival of the fittest to find the best solution to a problem. The other is based on the Prisoner's Dilemma, a problem from the branch of mathematics known as Game Theory.
 
GEN Calculate PI 3KJames Powell Mar 25/97   click here to update this entry
Calculate PI to as many digits as you like. Both a Euphoria and a QBasic version are included.
 
DOS Trigonometry 1KNathan Dudek Mar 17/97   click here to update this entry
a trigonometry program
 
DOS Travelling Salesman 6KArt Adamson Feb 22/97   click here to update this entry
an approximate solution to the "Travelling Salesman" problem - what is the shortest route that takes you through all the cities you have to visit?
 
DOS 3d graphing 8KJ.F. Soucaille Feb 13/97   click here to update this entry
a program that lets you graph functions as 3-D surfaces. You can dynamically adjust parameters and the view point of the observer.
 
GEN Root Finder 4KArt Adamson Feb 6/97   click here to update this entry
a program that finds the roots (solutions) of polynomial equations.
 
GEN Matrix Operations 4KJ.F. Soucaille Jan 30/97   click here to update this entry
a matrix and simultaneous equation package that uses fast operations on entire sequences, as well as strongly typed code.
 
GEN Invert a matrix 6KArt Adamson Jan 23/97   click here to update this entry
matrix manipulation routines, including matrix inverse and solving simultaneous equations.
 
GEN Inverse Math Functions 1KJ.F. Soucaille Jan 16/97   click here to update this entry
useful functions such as arctan, arcsin and arccos written in Euphoria. Note: arctan, arcsin and arccos are included in Euphoria v2.1
 
DOS Y vs X graphing 5KAndrew Baron Jan 3/97   click here to update this entry
a graph program. It uses David Cuny's expression evaluation code. version 0.5b
 
DOS Math, geometry and metric conversions 4KDave Brock Oct 2/96   click here to update this entry
library routines for advanced math, geometry, metric conversions and sequence manipulation.
 
 
This site is maintained by Robert Craig and Junko C. Miura of Rapid Deployment Software