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)

Free RPN Calculator DeepStackLite alternatives

Calculator 3 in 1

Award Winning Calculator Since 2007 HiCalc - Calculator for iPhone & iPod touch will make all your calculations become simpler than ever. Noteworthy RETINA ready Support three calculating modes: STANDARD, STRING and RPN Support precision to 31 digits Supports Complex numbers in STRING mode Powerful scientific calc with advanced fx: Differential, Evaluation, Integration, Product, Root-Finder Support Extended Memory for deep calculation Expression history up to 135 items Sending data from Ext-Memory & History list Copy & Paste support Intuitive interface & No ADs Features: Multi-line LED-Calculator Smart input which allows input of complicated expressions Show expression as normal writing mode @ very useful for students Supports both USA and EUROPEAN styles for date and numeric separator Advanced RPN mode with Stack viewer and functions: DROP, SWAP, ROLL, DEPTH, PICK, OVER, KEEP, LAST, CLEAR Scientific calculator: sin, cos, tan, deg/rad/grad, Pi, sin-1, cos-1, tan-1, sinh, cosh, tanh, log, ln, sinh-1, cosh-1, tanh-1, Dec->Deg, Deg->Dec, XY->R, Random, nPr, nCr, Differential function, Evaluation function, Integration function, Root-Finder and Product function, Greatest Common Divisor, Least Common Multiple, Fibonacci function Constants Library The Constants Library includes 1500 constants from Mathematics, Physics, Solar System and Element e.g: Avogadro number, Faraday const, Coulomb const, Gravitational const, Stefan-Boltzmann Const, Speed of Light, Euler constant

  • size 26.2 MB

NeoCal Lite Calculator

NeoCal Lite is based on an advanced, award-winning calculator designed to work just like a real calculator, only better. The intuitive keyboard design provides efficient access to many scientific and conversion functions without having to access menus or lists of functions. SUMMARY OF BUILT-IN FUNCTIONS- Scientific: trigonometric, hyperbolic, and logarithmic functions- Conversion: length, area, volume, speed, weight, temperature; unit arithmeticSUMMARY OF FEATURES- UI designed specifically for the iPhone, iPad and iPod touch- Multitasking support for use with other apps- User-selectable themes- Multiple keyboard layouts- 12-digit display with thousands separators- Labeled results for clarity- Optional RPN input method- Selectable RPN stack size- Up to four display lines- 20 or 100 user registers- Multi-level Undo/Redo- Extensive user guide

  • size 2.8 MB

Complex RPN Calculator

Complex RPN Calculator is a scientific RPN calculator with a four stack whose native number is complex. You can view and enter numbers in both polar and rectangular formats. Complex RPN remembers its state between usages and has 10 memory locations.

  • rating 3.66667
  • size 0.7 MB

RPN Calculator 48

RPN Calculator 48 is a polished RPN replacement for Apples built-in calculator:- Starts quickly- Large buttons- Easy-to-read display- Same scientific functionality as Apples calculator- 100 entry stack (4 to 7 visible)- 6 memory buttons (A-F)- 50+ levels of undo/redo- Saves state on exit Use swipe gestures to undo/redo operations The ergonomics (screen and keyboard layout) of RPN Calc. 48 were inspired by HPs outstanding 48-series calculator. 48 is made by the developer of tChess (the critically acclaimed iPhone chess game) and Learn Chess (the Apple Staff Favorite e-book).

  • size 0.7 MB

Retro 15C

Students and scientists from the 1980s will remember the classic RPN scientific calculators. These calculators strike a perfect balance between functionality and complexity. I love this calculator and I like to share.

  • rating 4.84
  • size 5.6 MB