RPN Calculator is a simple but powerful RPN calculator for MacOS with a scalable interface via selectable function palettes. This calculator is one of the only mac calculator programs that handles complex arithmetic. What's New: Version 1.9.5:Rebuilt using RB 5.5.1. RPNC now uses rounded bevelbuttons. Other minor cosmetic fixes. Eliminated visual keypresses that accompany typing. It did not work well with the new compiler. Added a few energy units to the unit converter at a user's request. Added ten stack conversion shortcut buttons, each capable of remembering a single conversion. Critical alert messages no longer get sent to the log window as do information and alert messages. RPNC Log has a print button. Cleaned the log behavior up a bit when functions modify arguments, such as (2.1) | 
