Calculator-Math Toolbox

Calculator-Math Toolbox

Edit process & Manage history

339 ratings
85 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • April 10, 2021
  • May 8, 2026

Features

Calculator-Math Toolbox video #1 for iPhone
Calculator-Math Toolbox screenshot #2 for iPhone
Calculator-Math Toolbox screenshot #3 for iPhone
Calculator-Math Toolbox screenshot #4 for iPhone
Calculator-Math Toolbox screenshot #5 for iPhone
Calculator-Math Toolbox screenshot #6 for iPhone
iphone
ipad
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About

This app offers both basic and advanced scientific calculations with a user-friendly interface. It allows for real-time editing of calculations, history management, and theme customization.

Basic and scientific calculations
Trigonometric and inverse trigonometric functions
Mathematical functions (abs, ceil, floor, round)
Real-time calculation editing
Historical records management
Bright and dark theme switching
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What users say

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What's New in Calculator

2.6

May 8, 2026

fix some known issues

1

In-App Purchases

$12.99

Calculator Pro

permanent VIP

User reviews

Best All-in-One Calculator App!

I’ve tried many calculator apps, but this one stands out for its clean design, smooth performance, and wide range of useful tools. It handles everything from basic calculations to scientific functions, fractions, currency conversion, unit conversion, and even mortgage calculations—all in one place.

The interface is intuitive and easy to use, and I especially like the editable calculation process and history feature, which make correcting mistakes and reviewing previous calculations effortless. The app feels fast, reliable, and thoughtfully designed for both everyday users and professionals.

If you’re looking for a powerful yet simple calculator app that covers almost every calculation need, this is an excellent choice. Highly recommended!
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Handy

Great app with a built-in currency converter. It helped me easily calculate and compare unit prices during my trip.

Seamless and efficient

The fraction mode is incredibly well done. It saves me so much time because I don’t have to toggle between fractions and decimals anymore. It just works seamlessly. Best calculator app by far!

Wtf

I’ve been using this calculator for a while now, and as crazy as it seems, I did pay for the app cause it had features my basic calculator did not have. The last few days though, the entire layout has changed, and now there’s bs ads when I’m trying to work. I can’t read anything it says cause it’s all in Mandarin or something, but I did see an additional $12.99 option… do not get this app now, it’s not that great and they will change it on you with no warning
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Matt

Cool

Developer apps

User experience

🐞

Reported Bugs

2 issues

Forced 5-star review for history function

Bug

Odd language issue with copied calculations

Bug

Requested Features

2 requests

Dark mode option

Feature

More customization options

Feature

FAQ

What kind of calculations can this app perform?

This app supports both basic arithmetic operations and advanced scientific calculations. It includes trigonometric functions like sin, cos, tan, and their inverses, as well as mathematical functions such as absolute value, rounding up, rounding down, and standard rounding.

Can I edit my previous calculations?

Yes, you can easily modify previous calculations. By clicking on a past calculation, you can edit the input and see the result update in real time. This feature allows for quick corrections and adjustments without re-entering everything.

How does the history feature work?

The app keeps a record of your past calculations, which you can view, save, delete, and even recalculate. This history management system helps you keep track of your work and easily access previous results for future reference.

Is this app free to use?

The app is free to download and use, but it does offer in-app purchases and may display advertisements. This allows for a free experience with optional enhancements or an ad-free option.

What devices is this calculator compatible with?

While specific device compatibility isn't detailed, it is designed as a mobile application, suggesting it's intended for smartphones and tablets. Users can switch between bright and dark themes to suit their viewing preferences.