RectangleChart[{{x_1, y_1}, {x_2, y_2}, ...}] makes a rectangle chart with bars of width x_i and height y_i. RectangleChart[{..., w_i[{x_i, y_i}, ...], ..., w_j[{x_i, y_j}, ...

ResetDirectory[] resets the current working directory to its previous value.

"DebuggerStep" is a front end token that stops the evaluation at the beginning of the next expression.

"DebuggerStepOut" is a front end token that stops the evaluation at the end of the current stack frame.

"EvaluatorHalt" is a front end token that interrupts the current evaluation and displays the evaluation stack.

Column[{expr_1, expr_2, ...}] is an object that formats with the expr_i arranged in a column, with expr_1 above expr_2, etc. Column[list, alignment] aligns each element ...

Mathematica allows any front end command to be executed programmatically from within the kernel by sending an appropriate front end token. There are tokens for all standard ...

Mathematica allows any front end command to be executed programmatically from within the kernel by sending an appropriate front end token. There are tokens for all standard ...

MaxMemoryUsed[] gives the maximum number of bytes used to store all data for the current Mathematica session.

SetDirectory["dir"] sets the current working directory to dir. SetDirectory[] sets the current working directory to your "home" directory.