iPhone app RPN Calculator DeepStack

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)

Additional features from lite version.

- Inverting layout for left hand using(Optional)

- Stack Label(Optional)

- Auto Sum(Optional)

- Shake to Reset(Optional)

- Auto Copy to Clipboard(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),

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