# my11c — Voyager 11C Microcode Emulator

> Voyager 11C Microcode Emulator (iPhone/iPad app by Miroslav Perovic.)

- Source: https://appshunter.io/ios/app/my11c/id6762810891 (this page in markdown: same URL + `.md`)
- Developer: [Miroslav Perovic](https://appshunter.io/developer/400748424)
- Category: Utilities, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 8 MB
- Languages: American English
- Released: 2026-06-11
- Data updated: 2026-08-27
- User reviews in markdown: https://appshunter.io/ios/app/my11c/id6762810891/reviews.md

## What is my11c?

The scientific calculator that defined an era — now in your pocket.
 
my11C brings the legendary 11C Voyager series scientific calculator back to life with cycle-accurate emulation running the original microcode. Every keystroke, every display flicker, every RPN operation — faithfully reproduced.

WHY ENGINEERS LOVED THE 11C
The 11C wasn't just a calculator — it was the trusted companion of engineers, scientists, and students throughout the 1980s. Its blend of powerful scientific functions, full programmability, and the legendary efficiency of RPN made it a desk-and-pocket classic. Decades later, it remains a benchmark of how a calculator should feel.

FEATURES

 - Cycle-accurate emulation — runs the original Voyager microcode, not a simulation
 - Full RPN entry — the efficient Reverse Polish Notation 4-level stack
 - Programmable — write, store, edit, and run programs just like the original (up to 203 lines)
 - Complete scientific function set — trigonometric and inverse trig in DEG, RAD, and GRAD
 - Logarithms and exponentials — LN, LOG, e^x, 10^x
 - Powers, roots, reciprocals, factorial, and percentages
 - Statistics — mean, standard deviation, and linear regression
 - Permutations and combinations
 - Random number generator
 - Rectangular to polar coordinate conversion
 - Hours-minutes-seconds conversions
 - Display formatting — FIX, SCI, and ENG notation
 - Conditional tests and flags for real programming
 - Authentic 7-segment LCD display with all original annunciators

BUILT FOR TODAY

 - iCloud sync — your calculator state follows you across devices
 - Native on iPhone and Mac — landscape optimized on iOS, resizable window on macOS
 - Full keyboard support on Mac — type numbers and operators directly
 - Dark interface faithful to the original Voyager design
 - Built-in Owner's Manual for quick reference

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock Full App | $9.99 | one-time |



## Version history (last 2 releases)

### 1.0.1 — 2026-08-19

Self-tests are here!

This update brings the calculator's built-in diagnostic tests to life, working exactly as on the original hardware:

• Self-test — hold × and ON: the ROM runs its full diagnostic and finishes with the famous all-segments display
• Keyboard test — hold ÷ and ON, then press every key in sequence
• Continuous self-test — hold + and ON for the endless diagnostic loop

All three are also available from the Calculator menu on Mac.

Under the hood:
• More accurate emulation of the display driver hardware, verified against a real calculator
• The display now shows the complete set of annunciators, positioned to match the original LCD glass
• Improved handling of simultaneous key presses

Thanks to the community at the Museum of HP Calculators forum for the sharp observations that led to this update!

### 1.0 — 2026-06-11

No release notes.

## More apps by Miroslav Perovic

- [my41CX](https://appshunter.io/ios/app/my41cx/id979041950)
- [my59](https://appshunter.io/ios/app/my59/id6759532452)
- [my16c](https://appshunter.io/ios/app/my16c/id6762121583)
- [Hole in the Floor](https://appshunter.io/ios/app/hole-in-the-floor/id6767888842)
- [myPreferans](https://appshunter.io/ios/app/mypreferans/id6789721866)

All apps by Miroslav Perovic: https://appshunter.io/developer/400748424

## Related topics

[my11c](https://appshunter.io/ios/topics/my11c) · [mirocode](https://appshunter.io/ios/topics/mirocode)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*