Reverse Polish Notation Calculator, version 1.00. Copyleft (L) 2019 - Thomas von Dein. Licensed under the terms of the GPL 3.0.

Commandline: rpn [-d] []

If is provided, read numbers from STDIN, otherwise runs interactively.

Available commands: c clear stack s show the stack d toggle debugging (current setting: 0) r reverse the stack (w/ reg if stack==1) u undo last operation q finish ? print help

Available operators:

• add

• substract / divide

• multiply ^ expotentiate % percent & bitwise AND | bitwise OR x bitwise XOR