Calculator #

Calculator #

Scientific Calculator

36K ratings
333 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • August 31, 2011
  • March 12, 2026

Features

Calculator # screenshot #1 for iPhone
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Calculator # screenshot #8 for iPhone
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About

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos Solver
Handwriting Recognition
AI Math Problem Solver
Mathematical Display
Equation Solvers
2D Graphing
Algebraic Functions
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What users say

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What's New in Calculator #

7.1

March 12, 2026

▸ Support F(X,Y) = 0. E.g. Sin(X) + Cos(Y) = 0. ▸ Math Problem Solver ▸ Stability Improvements ▸ Minor Bug Fixes.

More

Subscription plans

PRO Upgrade 1 Month

PRO Upgrade - 1 Month

$1.491 Month
3 Days trial
How to cancel Calculator # subscription ⁉️
6

In-App Purchases

$1.99

600 AI Recognition & Queries

600 Queries of Math/HandWriting Recognition

User reviews

Premium Subscription Is POOR

Very Poor App Due to Ads Recur Even On My Paid Subscription!

Terrible Experience

A calculator should never have popup ads. Disgusting.

Just simple and Easy

Does the job no fuss, easy UI

Calculator

Allows me access to some very useful functions for long term wealth planning

Too many pop upads

Too many pop up ads

Developer apps

User experience

🐞

Reported Bugs

3 issues

Crashes when trying to use certain functions

Bug

Handwriting recognition not working reliably

Bug

Inability to input negative numbers

Bug

Requested Features

3 requests

Add option to turn off animation

Feature

Improve ad placement to avoid obstructing usage

Feature

Provide more transparency on paid features

Feature

FAQ

What does Calculator # do?

Calculator # is a multi-function calculator app that provides basic, scientific, and algebraic calculations. It also offers advanced features like a math photo solver, handwriting recognition, equation solvers, and 2D graphing capabilities.

What are the key features of Calculator #?

Key features include a math photo solver, handwriting recognition, an AI math problem solver, mathematical display, history tape view, basic and advanced functions, algebraic capabilities, equation solvers, and 2D graphing. Some advanced features require in-app purchases.

Is Calculator # free to use?

The app is free to download and offers a wide range of general and algebraic features. However, advanced features such as the Math Photos Solver, Handwriting Recognition, and Math Problem Solver (AI) require an in-app purchase to unlock.

What devices is Calculator # compatible with?

The app is a universal calculator designed for iPhone and iPad, supporting all the latest devices and HD Retina displays. It also supports multitasking on iPad and wireless keyboards.

Who would benefit from using Calculator #?

This app is ideal for students, engineers, mathematicians, and anyone who needs a powerful calculator for complex calculations, problem-solving, and graphing. Its comprehensive features cater to both basic users and advanced scientific computation needs.