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About Alpertron Calculators

This app offers 10 very fast calculators: Solving Discrete Logarithms, Factoring Integers, Factoring and Roots of Integer Polynomials, Quadratic Equations in Integers, Modular Quadratic Equations, Sum of Four Squares, Sum of Four Cubes, Sum of Two Squares and Power, Factoring Gaussian Integers and Continued Fractions.

All calculators support 100,000 digits.

Each calculator includes help that indicates how to operate it and also a theoretical introduction to understand how it works.

The polynomial factorization and root solver calculator and the quadratic equations in integers have a step-by-step mode that shows how the solutions are found.

Most calculators have a batch mode that enables the user to find several solutions just by pressing a button. The integer factorization calculator has also a programming mode using the Blockly visual language.

The application includes two graphical applications: Ulam Spiral and Gaussian Primes.

Alpertron Calculators details

Alpertron Calculators is a free Education app for Android with 1,000+ installs on Google Play and a 4.9/5 average rating from 48 ratings. It was released on February 25, 2024 and last updated on June 16, 2025. It requires Android 5.0 or later.

Category: Education
Rating: 4.9 / 5 (48 ratings)
Installs: 1,000+
Price: Free
In-app purchases: No
Ads: No ads
Current version: 1.4.6
Requires Android: 5.0
Content rating: Everyone
Released: February 25, 2024
Last updated: June 16, 2025

What’s new in Alpertron Calculators

Fixed FFT multiplication. Fixed elliptic curve number when skipping primality test. Fixed modular polynomial factorization.

Version 1.4.6 · Updated June 16, 2025

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I have been using the desktop version for years. Excited to see there's an app version now.

Jeremy Futral

A great assistant for beginners who are learning to help with math.

stephanie thompson

Really Helpful, I always use this to test number theoretic concepts. Happy to see it on android as an app.

Madhur Sharma

Lots of fun for a number enthusiast.

Aaron Allen

Easily the best app for math nerds.

Mohammad Raja

This is the most outstanding program for integer factorization and primality testing and just plain having fun with number theory. I have used it every day for years and highly recommend it. I would like to ...

Skrachit Ivanich