About J42 - Voice Controlled RPN Cal
An ad-free basic reverse polish notation calculator with voice control.
This app is an RPN calculator with basic HP35 style trigonometry functions.
Voice commands include:
Push
Enter
Pop
Roll
Change sign
Exponent
Sine
Cosine
Tangent
Arc sine
Arc cosine
Arc tangent
Clear
Clear X
Add
Subtract
Multiply
Divide
Example voice command:
Say: ninety enter zero point 2 multiply
Result: 18
Say: change sign
Result: -18
Say: ninety add
Result: 72.0
Additional APP Information
Latest Version
v16.21.01.07Uploaded by
Pedro Moreira Do Vale
Requires Android
Android 5.1+
Category
Free Tools AppContent Rating
Everyone
Report
Flag as inappropriateWhat's New in the Latest Version v16.21.01.07
Last updated on Mar 27, 2025
v16 Prerelease testing.








