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

RPN-67 SD alternatives

15C Scientific Calculator by Vicinno

15C scientific calculator is a high-end scientific programmable calculator for iPhone and iPod touch, which behaves exactly like, and supports all functions of HP 15C Scientific Calculator. 15C Scientific Calculator supports complex numbers, intense calculations, matrix operations, and many other features that I dont have room to list. Stay tuned Like us: www.facebook.com/vicinnoFollow us: www.twitter.com/vicinno

  • rating 4.67741
  • size 10.4 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

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

GO-21 SciRPN

GO-21 SciRPN simulates the venerable HP-21 Pocket Scientific Calculator from 1975. Virtually indistinguishable from the real item in operation, GO-21 is a powerful yet simple retro calculator. Requires iOS 8.0 or later RPN Copy / Paste Shake to clear X Swipe gestures that roll and display the stack Addition, subtraction, multiplication, division Trigonometric functions : sin, cos, tan, sin, cos, tan, degrees or radians Rectangular/polar coordinate conversion Logarithmic functions : log, 10x, ln, ex Other functions : Yx,1/x, x, Display : LED, 10 significant digits (8 + 2 digit exponent in scientific notation), 10-99 to 10+99 Memory : 4 register stack, stack roll down, X-Y interchange, manual memory with register math floating stack and memory window

  • size 26.3 MB

my41CX

my41CX is an advanced programmable and expandable RPN Calculator. It is a functionally equivalent to the world famouse HP-41C/CV/CX calculator. Calculator features:- Functionally equivalent to the HP-41C/CV/CX- Programmable- Four module ports provide access to HP-41 expansion pacs- 63319 Memory registers (depending on the model emulation)- 4412233 Program steps (depending on the model emulation)- Support for .MOD files- Beautiful and clean user interfaceNote:- Beep is not supported

  • rating 3.4
  • size 14.0 MB