Developed at Wolfram Research over nearly twenty years, Mathematica has by far the world's most sophisticated and convenient mathematical typesetting technology. Generalizing ...

MathematicaScript is an interpreter for standalone executable Mathematica scripts.

FractionBox[x, y] is a low-level formatting construct that represents x/y in notebook expressions.

expr >> filename writes expr to a file. Put[expr_1, expr_2, ..., " filename"] writes a sequence of expressions expr_i to a file. Put["filename "] creates an empty file with ...

RadicalBox[x, n] is a low-level box construct that represents the displayed object Power[x, (n)^-1] in notebook expressions.

RowBox[{box_1, box_2, ...}] is a low-level box construct that represents a row of boxes or strings in a notebook expression.

SqrtBox[x] is a low-level box construct that represents the displayed object Sqrt[x] in notebook expressions.

Subscript[x, y] is an object that formats as x_y. Subscript[x, y_1, y_2, ...] formats as x Subscript[y, 1], Subscript[y, 2], ....

This example demonstrates simple interaction with a slider widget.

Characters["string"] gives a list of the characters in a string.