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HP 12C Platinum Calculator

HP 12C Platinum Calculator

Financial Calculator

350 ratings
238 reviews
#35 in paid Finance
💼 Business
💰 Finance
$16.99

Details

  • Released
  • Updated
  • August 29, 2009
  • July 21, 2026

Features

Developer

MORAVIA Consulting, spol. s r.o.
✨Promote your app ✨
HP 12C Platinum Calculator screenshot #1 for iPhone
HP 12C Platinum Calculator screenshot #2 for iPhone
HP 12C Platinum Calculator screenshot #3 for iPhone
HP 12C Platinum Calculator screenshot #4 for iPhone
iphone
ipad
📉no. 35
Charts↘︎
📌Ready
Reviews summary↘︎
⭐238
Reviews↘︎
📝2+ tags
Tags↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦~ in 3 years
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This app offers the functionality of the industry-standard HP 12c Platinum Financial Calculator on your iPhone or iPod touch. It supports both RPN and algebraic data entry, with editing features like backspace and undo. Perform complex financial calculations for real estate, banking, and more.

✓RPN and algebraic data entry
✓Loan payments, TVM, NPV, IRR calculations
✓Cashflow and bond calculations
✓Horizontal and vertical display modes
✓Quick reference guide on calculator back
Show original description

What users say

Summarized from real user reviews of HP 12C Platinum Calculator. Based on 350 reviews and a 1.6/5 average, it highlights the 3 positives and 4 negatives reviewers mention most about this Finance app.

Positive things

  • 🚀Accurate calculations
  • 🔒Faithful emulation of physical HP 12C
  • 👍Familiar and useful interface

Negative things

  • 🐛Frequent crashes
  • 🐛Calculation errors
  • 🐛Compatibility issues with iOS updates
  • 🔋Drains device battery
See all reviews

What's New in HP 12C Platinum Calculator

3.0.0

July 21, 2026

We’ve completely redesigned the HP 12c Platinum app to deliver a faster, cleaner, and more modern experience – while keeping everything you love about the classic calculator. New in this version: • Brand new user interface with a refreshed, modern look • Full-screen vertical layout (finally!) • Improved graphics and Retina-optimized visuals • Redesigned settings for better customization • Enhanced performance and compatibility with the latest iOS devices • Bug fixes and under-the-hood improvements for smoother operation Still the HP 12c Platinum you trust – now more powerful and easier to use than ever. We’d love your feedback! If you notice anything that could be improved, please let us know directly in the app or email us at info@hpcalcs.com.

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Charts

Top Paid

📉 35-1

Finance

This app dropped -1 position in Finance chart.

Last updated on August 4, 2026.

User reviews

Most RecentHighest RatedLowest Rated

App Should be Updated!

Very disappointed after purchasing to discover the app has not been updated. Gold 12c update is fantastic! Please update this calculator too!
Nick NooneNick Noone

What a shame

Please stop being scammers and update the HP 12C Platinum app. It's been 4 years without an update and the calculator doesn't work! Resolve this immediately.
GustavoBarreto85GustavoBarreto85

Não roda mais

Paguei pelo app e simplesmente não funciona mais.
klomonacoklomonaco

App keeps closing

It’s it works with basic math and calculations, but when I do a present value, cash flow calculation it freezes and exits the app
AJaslow8AJaslow8

Update please

Please update the app and fix the bugs of crash. It’s a great app.
iJack2202iJack2202
See 233 more reviews

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User experience

🐞

Reported Bugs

3 issues

App crashes when pressing CLX button

Bug

Errors in time value of money calculations

Bug

Incompatible with iOS 11 and later

Bug
✨

Requested Features

3 requests

Update to support latest iOS versions

Feature

Optimization for larger iPhone/iPad screens

Feature

Option to disable annoying key click sounds

Feature

FAQ

What does the HP 12C Platinum Calculator app do?

This app replicates the functionality of the physical HP 12c Platinum Financial Calculator on your iPhone or iPod touch. It allows you to perform a wide range of financial calculations essential for real estate, banking, and general finance.

What are the key features of this financial calculator app?

Key features include support for both RPN (Reverse Polish Notation) and traditional algebraic data entry, editing functions like backspace and undo, and the ability to quickly calculate loan payments, time value of money (TVM), net present value (NPV), internal rate of return (IRR), cashflows, and bonds.

How much does the HP 12C Platinum Calculator app cost?

Based on the provided information, this application is a paid app. It does not appear to have in-app purchases or advertisements, suggesting a one-time purchase for full functionality.

What devices is the HP 12C Platinum Calculator app compatible with?

The app is designed for use on iPhone and iPod touch devices. It offers different display modes, with a horizontal mode showing the full calculator and a vertical mode providing a simplified basic RPN or algebraic calculator.

Who would benefit from using this financial calculator app?

This app is ideal for finance professionals, real estate agents, bankers, students studying finance, and anyone who regularly needs to perform complex financial calculations and wants the convenience of having a trusted calculator on their mobile device.