Free

Details

  • Released
  • Updated
  • September 10, 2009
  • October 2, 2021

Features

i48 screenshot #1 for iPhone
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About

This application emulates the HP48GX calculator on your iPhone or iPod touch. It allows you to perform complex calculations like matrix operations and function integration on the go.

HP48GX calculator emulation
Matrix calculations
Function integration
Mobile calculator
On-the-go calculations
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What users say

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What's New in i48

1.15

October 2, 2021

Fixes for graphical glitches on iOS 15

User reviews

It’s great when it works

It’s a great emulator with a lot of nice features and touches. The skins are great, and it’s really easy to set up. The haptic feedback and responsiveness of the input are really nice.

But for the last year or so, I’ve been having a problem where it just freezes and becomes unresponsive. It usually happens when I switch to another app and back. If I reset the CPU, it will sometimes come back, but usually it doesn’t. Other times, the input will slow to a crawl, only accepting inputs every 2 seconds. The input will get buffered and will enter automatically at this really slow rate. While it functions, it’s not usable.

I really love this app, but it’s just become unusable. I’ve had to bring my real HP48 out of storage, but it’s hard having lost the portability and availability of having my HP everywhere I go.
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Needs Updating

I loved this app, but it is not maintained and does not function under latest iOS.

Buggy

This thing crashes all the time. Don’t Panic

Unusable now with latest iOS 18 updates

Used to be great. Now constantly turns off about every 3-4 seconds. Totally unusable.

Bad

EDIT does not work on my i16 phone. Did work on my i12. Almost useless as is for me

Developer apps

User experience

🐞

Reported Bugs

4 issues

Memory recovery prompt not working

Bug

Cursor keys behaving erratically

Bug

Equation solver locking up the app

Bug

Keyboard issues on certain devices

Bug

Requested Features

4 requests

Landscape mode support

Feature

Improved display resolution and graphics

Feature

Haptic feedback for button presses

Feature

Ability to assign units to numbers

Feature

FAQ

What does i48 do?

i48 emulates the HP48GX calculator on your iPhone or iPod touch. It allows you to perform advanced mathematical operations, such as matrix calculations and function integration, directly from your mobile device.

What are the key features of i48?

The app's primary feature is its emulation of the HP48GX calculator. This enables users to perform complex tasks like matrix operations and calculus functions, making it a powerful tool for on-the-go calculations.

Is i48 free to use?

Based on the provided information, i48 is a paid application. It does not feature in-app purchases or advertisements, indicating a one-time purchase model.

What devices is i48 compatible with?

The application is designed for use on iPhones and iPod touches. Specific iOS version compatibility is not detailed, but it is intended for Apple's mobile devices.

Who would benefit from using i48?

Students, engineers, scientists, or anyone who frequently uses or needs the functionality of an HP48GX calculator would benefit from i48. It provides convenient access to these powerful calculation tools without needing the physical calculator.