• Tagged pages for 'scientific'
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    Post: "Roman-Arabic 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: 18-Sep-2003 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
    Blog (9)
    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: 21-Oct-2001/12:00:
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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
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