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Open Source Research Development

Featured Article
raw / encryption
22 May
·
Robert Eisele

Caesar Cipher Decoder & Encoder Tool

The Caesar Cipher Tool allows you to encrypt and decrypt text using the classic Caesar Cipher algorithm. When you are selecting a key, such as 13, the...
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raw / book
21 Sep
·
Robert Eisele

Solving Cubic Equations
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    Trackball Rotation using Quaternions

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    Newton's Method Introduction raw / book

RAW Tools

Strong Password Generator

Strong Password Generator

The Free Online Password Generator allows creating...

16 Dec · Robert Eisele
The CYK Algorithm Visualization Tool

The CYK Algorithm Visualization Tool

A simple applet to visualize and animate the funct...

14 Mar · Robert Eisele
All Tools

RAW Math

Mathematics of 2D Hit-testing

Mathematics of 2D Hit-testing

26 Jun · Robert Eisele
Mathematics of a roller chain animation

Mathematics of a roller chain animation

A mathematical derivation on how to animate a roll...

09 Dec · Robert Eisele
All Math

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RAW Things

Precise 220V AC Frequency Measurement with Arduino

Precise 220V AC Frequency Measurement with Arduino

09 Mar · Robert Eisele
How to use a Nokia 5110 Graphical Display with Arduino

How to use a Nokia 5110 Graphical Display with Arduino

How to use a Nokia 5110 or Nokia 3310 Graphical Di...

08 Jun · Robert Eisele
All Things