The History of Alphabets and Letters
Relearn your ABCs at this website on the history of the roman alphabet and how the letters we use today evolved. Find information on the Greek alphabet, sign language, Chinese and many other alphabets, and learn the basics of typography.
Quadratic Equation Solver (and more!)
The Quadratic Equation Solver posted on this page solves for both real and imaginary (if applicable) results. Also on this site: solvers for the Cubic and Quartic equations, and more.
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