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Post: "RomanArabic numeral converter"
Posted by MaxV on 27 Sep 2013, 18:23 Today script is simple but efficient, is a Roman to Arabic (our common) numeral, it converts in both directions:
Roman 10
== "X"
>> Roman 115
== "CXV"
>> Roman 418
== "CDXVIII"
>> Roman "XIV" 
Blog (9) 
Post: "Neural network"
Posted by MaxV on 10 Sep 2013, 16:49 What is a neural network? Read or read and try the following script:
Here is the source code:
REBOL [
Title: "Simple Backprop Neural Net"
Date: 18Sep2003
File: %bp.r
Author: "Karl 
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Post: "The world's smallest spreadsheet program"
Posted by MaxV on 30 Aug 2013, 21:39 Mr. Carl Sassenrath is always a genius in coding, look this spreadsheet program:
the source code is only 70 lines!!!! He probably wrote it in 2 minutes...
Here is the source:
REBOL [ 
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Post: "Periodic Table"
Posted by MaxV on 02 Aug 2013, 17:53 The script showed today produce a periodic table, you can click on an element to see properties and electrons disposition. It's amazing!
Here is the source:
REBOL [
Title: " 
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Post: "Mathematical Expression Dialect Parser"
Posted by MaxV on 11 Jul 2013, 15:28 The following script permits you to evaluate correctly math expressions.
For example rebol way to evaluate is wrong in this case (the correct result is 50):
>> 5 + 5 * 3 ** 2
== 900.0

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Post: "Mandelbrot"
Posted by MaxV on 08 Mar 2013, 19:14 Today we will talk of fractals, but what is a fractal?
It's like a image repeated so much that is the same zooming in or out, look the border of the following image, every line become a spike, but i 
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Post: "Lorentz Attractor"
Posted by MaxV on 07 Feb 2013, 16:55 The following scrip make a fantastic video effect and it's based on Lorentz attractor.
The Lorents system of differential equation can be studied here: http://en.wikipedia.org/wiki/Lorenz_system, b 
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Post: "Graphing calculator"
Posted by MaxV on 28 Nov 2012, 17:16 Here a great script to draw graphic functions (graph), it's perfect:
Here the source code:
REBOL [
Title: "Graph a function"
File: %graph.r
Author: "Phil Bevan"
Date: 21Oct2001/12:00: 
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Post: "Calculator"
Posted by MaxV on 21 Dec 2011, 18:22 There are a lot of calculator scripts, let's see them (in alphabetic order).
Calculator
Calculator tutorial
Desktop calc
Mini calc
Scientific calc
Supercalculator
Calculator
It's a t 
Blog (9) 