my15c

Name: my15c
Author: Miroslav Perovic

Voyager 15C Microcode Emulator

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📚 Education

🔧 Utilities

Free

In-App Purchases

Rating summary

Details

Released: August 14, 2026
Updated: October 1, 2026
Version: 1.0.4
Compatibility: iOS 26.0+
Age Rating: 4+
Size: 55.05MB
Devices: Mac, iPhone, iPad
Data updated: 19 days ago
Languages: American English

Features

Vision Pro support

Developer

Miroslav Perovic

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🧾$9.99

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About

my15C is a faithful emulation of the classic 15C — the legendary RPN scientific programmable calculator, running the original Voyager-series microcode ROM, cycle-accurate. Built for engineers, scientists, and RPN enthusiasts who want the real thing in their pocket — not just a look-alike. FEATURES • Authentic 15C ROM emulation — same logic, same quirks as the original 1982 hardware • Full RPN entry with a 4-level stack • Complex number arithmetic • Matrix operations • Numerical integration (∫f(x)) • Root solving (SOLVE) • Full programmability — write, edit, and run your own programs • Continuous memory with iCloud sync across your devices • Authentic 7-segment LCD display and keyboard layout • Landscape-optimized for iPhone, iPad, and Mac

What's New in my15c

1.0.4

October 1, 2026

Program files • Import Program… and Export Program… – a document icon on the bezel, between Settings and the handbook (File menu on the Mac). Save the program in memory to a file, share it, and load it again later. • Files use the .15c listing format of the JRPN 15C simulator, the HP-15C Simulator and rejig, so programs written there load in my15c and programs exported from my15c open there. • A file can carry a title, the author, a description of each label, notes, and the modes the program was written for: DEG/RAD/GRD, User mode, Complex mode and flags 0–7. Import shows everything in a preview first and can set the modes for you. • A new Program Files chapter in the handbook describes the file format. Handbook • Find in the handbook: ⌘F on the Mac, the magnifier in the toolbar on iPhone and iPad. Fixes • The trial period is now counted correctly on every launch.