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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

    raw / code · 14 Jul · Robert Eisele

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    Solving LightsOut using Linear Algebra raw / research

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    Newton's Method Introduction raw / book

RAW Tools

Online IP Subnet Calculator

Online IP Subnet Calculator

Free online IP subnet calculator to find number of...

14 Mar · 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

Introduction to PID Controllers

Introduction to PID Controllers

This article introduces Proportional-Integral-Deri...

13 Aug · Robert Eisele
Mathematics of 2D Hit-testing

Mathematics of 2D Hit-testing

26 Jun · 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
Operate a Syma S107G Remote Control Helicopter with an Arduino

Operate a Syma S107G Remote Control Helicopter with an Arduino

A deep dive into the remote control toy helicopter...

14 Jul · Robert Eisele
All Things