79 scripts tagged as: [domain · math]
| Accumulate | ||
| accumulate.r discussion | v:1.0.1 1.0 KB 13 Mar 2003 | Cumulates values in a block together, by successively applying the function to each value in Series. author: Andrew Martin |
| Age | ||
| age.r | v:3.0.0 1.1 KB 22 Sep 2003 | Calulates Age in Years, Months & Days. author: Andrew Martin |
| ARFF Data Mining | ||
| arff-datamining.r | 2.7 KB 26 Feb 2009 | Implement a framework for Data Mining algorithms that works on ARFF files.
Includes various algorithms. Assumes class being mined for is the last attribute. author: Izkata |
| Ascii math | ||
| ascii-math.r | v:0.0.0 2 KB 10 Mar 2009 | Defines functions and variables for arithmetic ASCII characters author: Scott Wall |
| Average | ||
| average.r discussion | v:1.0.0 626 bytes 8 Jul 2003 | Averages the values in the Block. author: Andrew Martin |
| Base conversion functions | ||
| base-convert.r documentation | v:0.0.2 8.0 KB 2 Sep 2005 | Functions to convert an decimal whole number to and from any arbitrary base author: Sunanda |
| Functions for calculations with big integer numbers | ||
| bigmath.r | v:0.2.0 30.0 KB 4 May 2019 | Make calculations with big integer numbers. author: Marco Antoniazzi |
| Bignumbers.r | ||
| bignumbers.r discussion | v:1.0 4.8 KB 22 Mar 2007 | This script allows you to apply the four classical operations (add, subtract divide, multiply) on very big positive integers.
Size of the integers is only limited by the size of a rebol string since numbers are represented as strings.
When using this script, keep in mind that the operations manipulate string numbers in reverse order (see example at the end of [...] author: [unknown] |
| bin-to-float | ||
| bin-to-float.r discussion | v:0.0.3 1.2 KB 8 Nov 2006 | Convert a binary file to a series of floats and back author: Glenn M. Lewis |
| Black Scholes Option Price | ||
| black-scholes.r | v:0.1.1 2.5 KB 13 Mar 2003 | Provide a Rebol function for computing the Black-Scholes (1973) formula for determining an European style Option Price. author: Matt Licholai |
| Bresenham Line | ||
| bresenham.r | v:1.0.0 1.0 KB 22 Jun 2011 | Returns all pairs in a block for line specified by P0/P1. author: Semseddin (Endo) Moldibi |
| Calculator | ||
| calculator.r | v:1.2.0 1.4 KB 13 Mar 2003 | Simple numeric calculator. author: Jeff Kreis |
| Calculese | ||
| calculese.r | v:1.0.0 4.7 KB 14 Oct 2004 | A dialect for creating calculators. author: Ryan S. Cole |
| Le Compte est Bon. | ||
| ceb.r | v:1.0 1.3 KB 2 May 2008 | Algorithm to solve french countdown game. author: Christian Blanvillain |
| Celcius | ||
| celcius.r | v:1.0.0 682 bytes 13 Mar 2003 | Converts Temperature in Fahrenheit to Celcius. author: Andrew Martin |
| Chinese Year | ||
| chinese-year.r | v:1.1.0 5.3 KB 28 Jan 2013 | Chinese Year name author: Vincent Ecuyer |
| CRC-32 | ||
| crc32.r documentation | v:1.2.0 9.4 KB 30 Jan 2013 | CRC32 checksum function author: Vincent Ecuyer |
| Days until Christmas | ||
| days-till-christmas.r | v:1.0.0 976 bytes 18 Oct 2013 | Starting on Halloween, Tells how long till Christmas: Days, Hours, Minutes, Seconds author: Izkata |
| Random Number Generator Demo | ||
| demorandom.r | v:1.0 7.9 KB 19 Jun 2009 | Some examples how to use randomr lib author: François Jouen. |
| Desk Calculator | ||
| desk-calc.r | v:1.3.0 2.5 KB 14 Oct 2004 | A tool for simple calculations. author: Ryan S. Cole |
| Compute the date of Easter day | ||
| easter-day.r | v:1.1.0 1.3 KB 1 Mar 2005 | Just a small function to compute the date of the Easter day.
Can be used to compute other dates related to Easter.
Should be accurate for years starting at 1583 to 2050, and
maybe more. author: Didier Cadieu, but many more |
| Factorial | ||
| factorial.r | 554 bytes 13 Mar 2003 | Compute a factorial author: Ken Lake |
| Fahrenheit | ||
| fahrenheit.r | v:1.0.0 697 bytes 13 Mar 2003 | Converts Temperature in Celcius to Fahrenheit. author: Andrew Martin |
| Fire and Smoke particles generator. | ||
| fire-smoke-particle-generator.r | v:1.0.2 14.3 KB 18 Sep 2010 | A particle engine demo which generates fire and smoke, with a lot of control and some compositing built-in author: [unknown] |
| form-date | ||
| form-date.r documentation | v:1.0.1 5.5 KB 18 Jul 2007 | Return formatted date string using strftime style format specifiers author: Christopher Ross-Gill |
| A Variation on Conway's Game of Life | ||
| game-of-life-variation.r | v:0.0.4 5.3 KB 21 Sep 2005 | A GUI implementation of a modified version of the popular cellular automaton system.
The rules: 1) Each cell (square) on the grid is either alive (blue) or dead (white)
2) For every iteration, each cell's next state depends on current state and # of live neighbors
a) if cell is alive, it stays alive <=> 2 or 3 neighbors are alive
b) if cell is dead, [...] author: Ayrris Aunario |
| Graph a function | ||
| graph.r | v:1.1.0 19.2 KB 13 Jun 2004 | Graph a function
rounding function by Ladislav Mecir
Usage ....
Type in your function of x into the input field
Some pretty functions to get you started .....
3 * sin (0.5 * pi * x)
3 * sin (x * x)
exp(0.1 * x) * (sin(4 * pi * x))
4 * sin (4 * pi / x)
0.2 * exp(- x) * sin [...] author: Phil Bevan |
| IEEE-32 | ||
| ieee.r | v:0.0.2 2.8 KB 28 Jan 2004 | Provides conversion to and from IEEE-32 float (binary) author: Piotr Gapinski |
| Mandelbrot fractal ASCII renderer, integer version for Rebol, Red and World | ||
| int-mandelbrot.r | v:1.0.0 1.9 KB 29 Dec 2013 | Show a Mandelbrot fractal on the console author: Marco Antoniazzi |
| Kilos to Stones & Pounds | ||
| kg-st-remainder-lbs.r | 923 bytes 5 Sep 2005 | To convert weight from kg to stone & lbs. author: Leke |
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