# Calculator #

> Scientific Calculator

Canonical page: [https://chrome-stats.com/d/id458535080](https://chrome-stats.com/d/id458535080)

## Overview

- **ID:** `id458535080`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Incpt.Mobis
- **Category:** Utilities
- **Rating:** 4.60 / 5 (35,963 ratings)
- **Version:** 7.1
- **Last updated:** 2026-03-12
- **First published:** 2011-08-31
- **Size:** 57 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/calculator/id458535080)
- **Website:** [http://iPhoneCalculator.com/](http://iphonecalculator.com/)
- **Privacy policy:** [https://iphonecalculator.com/calculator-privacy-policy/](https://iphonecalculator.com/calculator-privacy-policy/)

## Description

Calculator # is a free, multi-function scientific calculator for iPhone and iPad with a powerful math core and algebra engine. It supports basic math, complex functions, fractions, numeric integrals, memory variables, expression editing, history, and 2D graphing to visualize equations. With over 11 million downloads and top-rated status, it’s a trusted tool for students, engineers, and professionals.

Key features include AI-powered problem solving, handwriting recognition, and a math photos solver, plus universal device support, multitasking on iPad, wireless keyboard compatibility, and export options. It offers multiple languages and customization options, making it a versatile companion for coursework, research, or quick calculations. Note: some features require in-app purchases.

## Rankings

- #8,034 — Overall
- #13 — calculator
- #13 — integration
- #49 — calculus

## Review summary

Users praise Calculator # for its robust scientific/graphing capabilities, ease of use, and substantial free features. The main recurring downsides are an intrusive ad model with full-screen, autoplay videos (often with sound) and upgrade prompts. Some users report reliability issues (incorrect results, equation errors) and occasional performance problems on older devices. Despite ads and glitches, many still find it useful and versatile for math tasks.

### Pros

- Offers scientific/graphing calculator features beyond the built in iOS calculator.
- Easy to use with an intuitive input method.
- Many features available for free without needing to upgrade.
- Useful for math work and high school level needs; versatile tool.

### Cons

- Excessive ads and intrusive ad model including full screen video ads.
- Ads can play with sound and interrupt calculations and meetings.
- Reliability issues such as occasional incorrect results and equation errors.
- Performance problems on some devices or after updates including freezing.
- Pressure to upgrade to remove ads, making users feel the app is monetized greedily.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id458535080)