Man Calc is now open source! see LICENSE.md for more information.
Man Calc (manual calculator) is a stack-based calculator for that can deal with very large or very small numbers (around 1000 decimal places of precision), and supports both infix and postfix syntax.
Manual: http://recalcitrantsoftware.com/mancalc/
iTunes: https://itunes.apple.com/us/app/man-calc/id638850470?ls=1&mt=8
vim:tw=60: