# my12c — Voyager 12C Microcode Emulator

> Voyager 12C Microcode Emulator (iPhone/iPad app by Miroslav Perovic.)

- Source: https://appshunter.io/ios/app/my12c/id6814496960 (this page in markdown: same URL + `.md`)
- Developer: [Miroslav Perovic](https://appshunter.io/developer/400748424)
- Category: Utilities, Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 26.0 · 4 MB
- Languages: American English
- Released: 2026-09-24
- Data updated: 2026-09-27
- User reviews in markdown: https://appshunter.io/ios/app/my12c/id6814496960/reviews.md

## What is my12c?

The financial calculator that has been on every banker's, broker's and realtor's desk since 1981 — now on your iPhone, iPad and Mac. my12C brings the legendary 12C Voyager series financial calculator back to life with cycle-accurate emulation running the original microcode. Every keystroke, every display flicker, every RPN operation — faithfully reproduced.

WHY THE 12C NEVER WENT AWAY

The 12C is the longest-lived calculator ever made, and for good reason: its time-value-of-money keys, cash-flow analysis and RPN logic solve real financial problems in a handful of keystrokes. It is still the calculator used in finance courses and licensing exams around the world.

FEATURES

• Cycle-accurate emulation — runs the original Voyager microcode, not a simulation
• Time value of money — n, i, PV, PMT and FV, solve for any of the five
• Amortization — interest and principal for any range of payments
• Cash-flow analysis — NPV and IRR for up to 20 grouped cash flows
• Bonds — price and yield to maturity on the 30/360 basis
• Depreciation — straight-line, sum-of-the-years-digits and declining-balance
• Calendar — days between dates and date arithmetic, actual and 30/360
• Percentages, simple interest, odd-period compounding, statistics and linear regression
• Programmable — up to 99 lines, with conditional tests, branching and looping
• RPN entry — the efficient Reverse Polish Notation four-level stack
• Authentic 7-segment LCD display with all original annunciators
• Built-in self-tests, working exactly as on the original hardware

BUILT FOR TODAY

• Complete Owner's Manual inside the app — every section, worked example, cash-flow diagram, formula and program listing of the original handbook, with a linked subject index
• 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, Enter on the numeric keypad works as ENTER
• Dark interface faithful to the original Voyager design

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

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



## Version history (last 1 release)

### 1.0.0 — 2026-09-24

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)
- [my11c](https://appshunter.io/ios/app/my11c/id6762810891)
- [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

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*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 2026-09-27.*