Free RPN Calculator DeepStackLite

Lightweight Optimized HP Style Reverse Polish Notation(RPN) Calculator. Features: Optimized Key Layout - Big Enter and Zero Key - No Triangle Functions or 2nd Function key. - Conditional DUP/DROP key(Enter/Backspace) - Conditional E/E- key(Period) - Right hand optimized design - Paste from clipboard - Copy to clipboard(Tap stack) Difference from full version. - Inverting layout for left hand using(Optional) - Stack Label(Optional) - Auto Sum(Optional) - Shake to Reset(Optional) - Auto Copy to Clipboard(Optional) - Suppressing Click Sound(Optional) Infinity Stack - Deep stack without limitation except memory capacity. - Stateless Design, Reset all condition when launching. Responsive Touch - Simple UI response is quicker than rich UI or HP emulators. - Click sound (2 pattern,numbers or others)