# Math Keeper+ — Formulas reference

> High school math formula reference with notes and calculator. (iPhone/iPad app by William Wu.)

- Source: https://appshunter.io/ios/app/math-keeper-plus/id1263494799 (this page in markdown: same URL + `.md`)
- Developer: [William Wu](https://appshunter.io/developer/1263494798)
- Category: Education, Reference
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 9 MB
- Languages: American English
- Released: 2017-08-01
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/math-keeper-plus/id1263494799/reviews.md

## What is Math Keeper+?

Math Keeper is a handy reference app for anyone who would like a refreshment of their memory about high school math, or perhaps anyone who would like a refreshment of their memory about what they were supposed to have learned in class yesterday. If you identify with either, you have come to the right place.

The app includes over 100 math formulas for a quick jog of the memory, and you are able to edit them, write notes, and add your own if you so desire. A calculator is also built in for convenience, just one swipe away.

Good luck.

## Key features

- Over 100 math formulas
- Edit existing formulas
- Add custom formulas
- Write notes
- Built-in calculator

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/math-keeper-plus/id1263494799/reviews.md

### 5/5 — Miracle

*2017-08-16*

Cured my vaginal cancer

## Frequently asked questions about Math Keeper+

### What kind of math formulas does Math Keeper+ cover?

Math Keeper+ includes over 100 formulas primarily focused on high school mathematics, serving as a refresher for students or anyone needing to recall these concepts.

### Can I add my own formulas to Math Keeper+?

Yes, you can add your own custom formulas to the app, allowing you to personalize your reference library beyond the pre-loaded content.

### Does Math Keeper+ have a calculator?

Yes, Math Keeper+ features a built-in calculator that is easily accessible with a simple swipe, adding convenience for quick calculations.

### Is Math Keeper+ available on Android devices?

Based on the provided data, Math Keeper+ is currently supported on iPhone and iPod devices. Android compatibility is not specified.

### How often is Math Keeper+ updated?

The app was last updated on October 31, 2017, with version 1.1. Further update frequency is not detailed in the provided information.

### What is the user rating for Math Keeper+?

Math Keeper+ has a perfect rating of 5.0 stars based on 2 user reviews, indicating a very positive user sentiment among its current users.

### Does Math Keeper+ have ads?

No, Math Keeper+ does not contain advertisements. The app is free to download and use without any ad interruptions.

### What is the age rating for Math Keeper+?

Math Keeper+ has an age rating of 4+, making it suitable for a wide range of users, including younger learners who are beginning to engage with mathematical concepts.

## Version history (last 2 releases)

### 1.1 — 2017-10-31

This app has been updated by Apple to display the Apple Watch app icon.

- Added a multi-function calculator

### 1.0 — 2017-08-01

No release notes.

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## More apps by William Wu

- [Copy Better](https://appshunter.io/ios/app/copy-better/id1456564050)
- [Snake, Cubed](https://appshunter.io/ios/app/snake-cubed/id1505153707)

All apps by William Wu: https://appshunter.io/developer/1263494798

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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 2026-06-01.*