Big Number Calculator+

Big Number Calculator+

by Kunio Takeuchi

3 ratings
2 reviews
Free

Details

  • Released
  • Updated
  • November 26, 2020
  • March 19, 2026
Big Number Calculator+ screenshot #1 for iPhone
Big Number Calculator+ screenshot #2 for iPhone
Big Number Calculator+ screenshot #3 for iPhone
Big Number Calculator+ screenshot #4 for iPhone
Big Number Calculator+ screenshot #5 for iPhone
iphone
ipad
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About

Perform calculations with extremely large numbers, up to 66,000 digits. Supports addition, subtraction, multiplication, and division, with options for different calculation engines and data input methods. Results can be saved and printed in formatted text files.

Handles up to 66,000 digits
Addition, subtraction, multiplication, division
Selectable calculation engines (Swift, Objective-C)
Load data from files (txt, rtf, rtfd)
Automatic data formatting for printing and saving
Customizable number separators
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What's New in Big Number Calculator+

1.3.1

March 19, 2026

• Supported iPhone 17e and iPad Air 8th generation.

User reviews

Well

So the app thinks that 1,440 is 144,0 which is strange considering it’s a calculator

Add exponent support

Please add exponent support also I cannot figure out how to work it please help me

Developer apps

FAQ

What is the maximum number of digits Big Number Calculator+ can handle?

Big Number Calculator+ can handle a maximum of 66,000 digits for input data and calculations. This allows for operations on extremely large numbers that standard calculators cannot manage.

What calculation functions does Big Number Calculator+ offer?

Big Number Calculator+ supports addition, subtraction, multiplication, and division. The division function displays both the quotient and remainder.

Can I load numbers into Big Number Calculator+ from a file?

Yes, you can load numerical data into Big Number Calculator+ from text files (.txt), rich text format (.rtf), and rich text format with attachments (.rtfd). This feature streamlines input for large datasets.

Does Big Number Calculator+ support negative numbers?

Big Number Calculator+ currently only supports positive numbers. Only plus signs can be used as the sign indicator; minus signs are not supported in calculations.

How does Big Number Calculator+ format its output?

Input data and calculation results are automatically formatted for printing and saving. You can also customize number separation with selected delimiters and digits.

What calculation engines can I choose in Big Number Calculator+?

You can select between two calculation engines: 'Swift' and 'Objective-C'. The source code for these engines is also available for viewing, though use is at your own risk.

Is Big Number Calculator+ available on other platforms?

A version of Big Number Calculator is also available for macOS. This iOS and iPadOS version is designed for mobile devices.

How often is Big Number Calculator+ updated?

The latest version of Big Number Calculator+ is 1.3.1, last updated on March 19, 2026. This indicates a recent update, suggesting ongoing support and potential for future improvements.