# 12C Platinum Calculator — 12C Platinum Calculator

> Advanced financial calculator with 120+ functions and RPN support. (iPhone/iPad app by 国栋 焦.)

- Source: https://appshunter.io/ios/app/12c-platinum-calculator/id1536689352 (this page in markdown: same URL + `.md`)
- Developer: [国栋 焦](https://appshunter.io/developer/1466088185)
- Category: Utilities, Finance
- Price: Free (on sale, was $0.99)
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 15.6 · 5 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2020-10-22
- Data updated: 2026-09-08
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/12c-platinum-calculator/id1536689352/reviews.md

## What is 12C Platinum Calculator?

Financial calculator includes more than 120 built-in 
functions and allows 20 different cash flows for internal rate of return
 and net present values. Calculate loan and mortgage payments, convert 
interest rates, and figure bond prices and yields. RPN keystrokes 
optimize data entry and calculation performance. Program up to 99 
keystrokes into memory and then execute with the push of a single 
button. Other functions include depreciation, percent change, cumulative
 statistical analysis, standard deviation, mean, weighted mean, linear 
regression, forecasting, correlation coefficient, date arithmetic, undo 
and backspace keys.

Number of Display Lines: 1
Number of Display Digits: 10
Number of Functions: 120
Operations/Functionality:
- Accounting
- Banking
- Business Studies
- Finance
- Real Estate

## Key features

- 120+ built-in financial functions
- RPN keystroke entry
- Programmable keystrokes (up to 99)
- Loan and mortgage payment calculations
- Bond price and yield calculations
- Statistical analysis and forecasting


## Frequently asked questions about 12C Platinum Calculator

### What is the short name for 12C Platinum Calculator?

The short common name for 12C Platinum Calculator is 12C Platinum.

### What kind of financial functions does 12C Platinum Calculator offer?

12C Platinum Calculator offers over 120 built-in functions, including those for internal rate of return (IRR), net present value (NPV), loan and mortgage payments, interest rate conversions, bond prices and yields, depreciation, and statistical analysis.

### Does 12C Platinum Calculator support RPN entry?

Yes, 12C Platinum Calculator supports RPN (Reverse Polish Notation) keystrokes, which can optimize data entry and calculation performance for users familiar with this input method.

### Can I program custom calculations on 12C Platinum Calculator?

Yes, you can program up to 99 keystrokes into memory on 12C Platinum Calculator and execute them with a single button push, allowing for custom calculation sequences.

### What devices is 12C Platinum Calculator available on?

12C Platinum Calculator is available on iPhone, iPad, and iPod.

### What is the age rating for 12C Platinum Calculator?

12C Platinum Calculator has an age rating of 4+.

### How often is 12C Platinum Calculator updated?

The latest version of 12C Platinum Calculator was released on November 19, 2024, indicating recent development and support.

### Does 12C Platinum Calculator have ads?

No, 12C Platinum Calculator does not contain advertisements.

## Version history (last 5 releases)

### 3.7 — 2024-11-19

UI compatibility

### 3.0 — 2024-11-05

Stable operation, accurate calculation, and UI compatibility

### 2.2 — 2024-09-27

Stable operation, accurate calculation, and UI compatibility

### 2.0 — 2021-03-01

fixed a little bug in datasheet;

### 1.2 — 2020-12-08

fixed a little bug

## Apps similar to 12C Platinum Calculator

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| --- | --- | --- | --- |
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| [bcRPN](https://appshunter.io/ios/app/bcrpn/id1614744829) | 4.8 (4) | Free | Utilities |
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| [RLM-11CX](https://appshunter.io/ios/app/rlm-11cx/id1630739014) | 3.1 (7) | Free | Utilities |
| [HP15C: Scientific Calculator](https://appshunter.io/ios/app/hp15c-scientific-calculator/id6741306693) | 2.7 (3) | $4.99 | Utilities |

## More apps by 国栋 焦

- [BA II Plus Calculator](https://appshunter.io/ios/app/ba-ii-plus-calculator/id1466088186)
- [BA Plus Pro Calculator](https://appshunter.io/ios/app/ba-plus-pro-calculator/id1492792206)
- [小马英语](https://appshunter.io/ios/app/id1662452009)

All apps by 国栋 焦: https://appshunter.io/developer/1466088185

## Related topics

[hp 12c financial calculator](https://appshunter.io/ios/topics/hp-12c-financial-calculator) · [hp calculator 12c](https://appshunter.io/ios/topics/hp-calculator-12c) · [hp 12c](https://appshunter.io/ios/topics/hp-12c)

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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 2026-09-08.*