42s is an iPhone port of Thomas Okkens excellent and stable Free42, a complete re-implementation of the highly praised HP-42S RPN calculator. There are no ROMs or emulators involved allowing 42s to run natively and fast. * Added display option to show flags 0-4 at the top of the display if they are set.

42s RPN Calculator alternatives

RLM-11CX

The RLM-11CX is a full simulation of the successful HP-11C Scientific RPN calculator, with all the functions of the real one in a beautiful high definition interface. It includes a dynamic Portrait and Landscape orientation layouts that can be lock in the calculators preference ([g] > [PREF] key sequence). Disclaimer: THIS IS NOT A HEWLETT PACKARD CALCULATOR, AND IS NOT SPONSORED IN ANYWAY BY HEWLETT PACKARD OR ANY OF ITS SUBSIDIARIES.

  • rating 5.0
  • size 25.0 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

GO-25 SciRPN

GO-25 SciRPN simulates the venerable HP-25C Programmable Scientific Calculator. The HP-25C was released in 1976 and sold for a MSRP of $195. Requires iOS 8.0 or higherRPNCopy / PasteShake to clear XProgrammable with 99 program steps, conditionals, full-speed or single step operationBuilt-in library of sample programsiTunes File SharingSwipe-up gesture that displays the stack and memory registers, and the program listing viewsFor iPad two finger drag operations for displayed viewsAddition, subtraction, multiplication, divisionTrigonometric functions : sin, cos, tan, sin, cos, tan, degrees, radians or gradsRectangular/polar coordinate conversionHours, minutes, seconds to decimal degrees conversion, and vice-versaLogarithmic functions : log, 10x, ln, exSummation +, mean, standard deviation Other functions : Yx,1/x, x, , FRAC, INT, ABS, %Display : LED, 10 significant digits (8 + 2 digit exponent in scientific notation), 10-99 to 10+99Memory : 4 register stack, stack roll down, X-Y interchange, 10 memory registers with register mathOptional thousands separator

  • rating 4.42856
  • size 14.4 MB

RPN-67 SD

A dream calculator of the 70s, priced at $1,900 in todays dollars, now on your iPhone RPN-67 SD is the iPhone version of RPN-67 Pro, the first complete simulation of Hewlett-Packards legendary HP-67 programmable calculator for the iPad. Produced from 1976 to 1982, the HP-67 was a huge success among scientists, engineers and other professionals. For more information and free program downloads visit the RPN-67 website: cuveesoft.ch/rpn67

  • size 63.0 MB

Emu50g

Emu50G is an emulator for the famous HP50g scientific calculator with its original skin. Carry your favorite calculator along with you every day and use it together with your favorite library Features: Full emulation of the HP50g calculator. Tap the LCD to get more information.

  • rating 3.625
  • size 46.1 MB