Xmart Calculator Pro

Xmart Calculator Pro

Programmable calculator

152 ratings
88 reviews

Archived App (Last seen on 13 May 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Price history

Details

  • Released
  • Updated

Features

Xmart Calculator Pro video #1 for iPhone
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Xmart Calculator Pro screenshot #12 for iPhone
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About

This app functions as an intelligent, programmable calculator that allows users to define custom algebraic functions. It provides instant results as expressions are updated and offers step-by-step calculation traceability. Users can save, recall, and share their calculation history.

βœ“Define custom algebraic functions
βœ“Instant calculation results
βœ“Step-by-step calculation traceability
βœ“Save and recall calculation history
βœ“Configurable appearance (colors, fonts)
βœ“Includes a mortgage calculator
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What users say

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What's New in Xmart Calculator Pro

4.1.4

August 4, 2023

Bug fixes and performance enhancement

User reviews

Calculator With It All!

Has it all, plus saves history so if you forget, question or need to refer to previous calculations you don’t have to redo them.

Glitchy

This Calc is good. But has glitches that don’t get fixed.

If you do a calculation and use the equals button to use the answer in another calculation it says illegal character found.
It never used to do this. Any updates should be tested first before release.

What happened to SAVE button

I absolutely loved this app, but for some reason, I can no longer save to my history. The SAVE button just disappeared. Help.

Response from developer

Hi thanks a lot for using xmart calculator. You can just tap the β€˜=β€˜ button to save the calculation.

Belle petite calculatrice

Simple efficace et on peut garder les calculs en historique contrairement Γ  celle inclus dans iOS d’Apple

Never paid for a calculator app before this

Like the title says, my phone has a stock app calculator so why buy one? Never felt the need until now. This calculator app is brilliant, allowing you to save custom functions and calculations. It saves so much time if you’re always calculating the same things. Also love that it saves your history so if you need to remember what a calculation was, you don’t have to recalculate the whole thing. Amazing!
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Developer apps

User experience

🐞

Reported Bugs

8 issues

Illegal character error when reusing equals button result

Bug

Preferences dialog opens on equals button tap

Bug

Save button disappeared in history feature

Bug

Percentage key calculations malfunction

Bug

Decimal multiplication errors

Bug

Cursor jumping when editing functions

Bug

Pop-up ads freezing application

Bug

Inconsistent percentage operation behavior

Bug
✨

Requested Features

8 requests

Fraction form results display

Feature

RPN (Reverse Polish Notation) support

Feature

Better iPad screen optimization

Feature

Decimal input accepting '.2' as '0.2'

Feature

Smart decimal place display

Feature

Portrait mode option for iPad

Feature

Easier custom function editing interface

Feature

Light color theme with dark font contrast

Feature

FAQ

What does Xmart Calculator Pro do?

Xmart Calculator Pro is an intelligent, programmable calculator that allows users to define custom algebraic functions. It provides instant results as expressions are updated and offers step-by-step calculation traceability. It also includes common scientific functions and a mortgage calculator.

How do custom functions work in Xmart Calculator Pro?

Users can define their own algebra functions with up to 9 parameters. These functions can then be used in the main expression or played with separately. This allows for dynamic calculations where results update automatically when input values change.

Is Xmart Calculator Pro free to use?

Based on the provided information, Xmart Calculator Pro is a paid application. There are no mentions of in-app purchases or advertisements, indicating a one-time purchase model.

What are the main benefits of using this calculator?

The main benefits include the ability to create and use custom functions for dynamic calculations, instant results without needing an equals button, and detailed step-by-step traceability of all calculations. It also offers features like saving and sharing history, and a configurable interface.

Can I use this calculator on other devices?

The application supports Apple Watch and iMessage, suggesting integration with the Apple ecosystem. However, specific compatibility with other operating systems or devices beyond Apple's is not detailed in the provided description.