Quadratic Equation Solver (and more!) [ http://www.akiti.ca/Quad2Deg.html ]
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, N Equations in N Unknowns, Eigenvalues and Eigenvectors, Cubic Spline Interpolati - [ Read more ]

Typography and a history of the Alphabet [ http://www.alphabetandletter.com/ ]
A history of the roman alphabet, with factoids on typographical curiosities and information on other alphabets. See all the letters of the major alphabets of the world, both ancient and modern. - [ Read more ]