History+of+Math+Communications


 * A Brief History of Math Related Communications**

Numbers 0..9.0 in Morse Code: . ..--- ...-- ....- ..... -.... --... ---.. . -
 * Useful Codes**

ASCII character codes: A-Z upper and lower, 0,9. Special characters useful for algebra: Division: x/y. Power x^2. Square Root: x^0.5 Fortran Programming: Multiply: X*Y, Square Root: SQRT(x).

A well argued and damning critique of TeX: [|The TeX Pestilence], by Xah Lee, 2004-08.
 * Type Setting**

Geographic contour maps an early application of visualisation of 3D data in 2D. Wikipedia, on [|Contour Line] shows a contour plot of the function f(x)=sin(x2+y2)cos(x)sin(y).
 * Visualisation**