RPN · Utilities
PocketEngineer
A classic RPN calculator, handcrafted the old way — four-register stack, date & duration arithmetic, and a paper-tape history you can rewind.
Notify me at launchCOMING SOON
FeaturesWhat it does
01
Real RPN
4-register stack (X, Y, Z, T), Enter instead of equals
02
Date & duration arithmetic as a first-class citizen
03
The Tape
rewindable paper-tape history of every calculation
04
Scientific board in landscape, clean calculator in portrait
05
10 persistent memory registers
06
Hardware keyboard support on iPad
07
Free forever
no ads, no tracking, no accounts
Screenshots06 Screens
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