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Last updated on: 2026-08-24
Android Apps > Educational > The Devil's Calculator: A Math
The Devil's Calculator: A Math icon

The Devil's Calculator: A Math

3.5.0
Christopher Cinq-Mars Jarvis
4.55
763 reviews
50,000+
Downloads
Free

An Educational Indie Math Puzzler for Lovers of Logic and Brain Teasers

The Devil's Calculator: A Math Screenshot 1 of 5
The Devil's Calculator: A Math Screenshot 2 of 5
The Devil's Calculator: A Math Screenshot 3 of 5
The Devil's Calculator: A Math Screenshot 4 of 5
The Devil's Calculator: A Math Screenshot 5 of 5
4.55 · 763 reviews · 50,000+ downloads
iOS version

About The Devil's Calculator: A Math

The Devil's Calculator: A Math is an educational app developed by Christopher Cinq-Mars Jarvis.

Download Statistics

The Devil's Calculator: A Math has been downloaded 58 thousand times. In the last 30 days, the app was downloaded 820 times.

User Ratings

The Devil's Calculator: A Math is rated 4.55 out of 5 stars. The rating is based on 760 ratings.

App Information

The Devil's Calculator: A Math is FREE to download. The APK download size is 43.93 MB. The latest version available is 3.5.0. The last update was on September 23, 2024.

Technical Requirements

The Devil's Calculator: A Math requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play January 2019.

Description
An evil calculator has its normal arithmetic operators replaced with sadistically obscure functions. Using logic and a bit of algebra, you must work backwards to interpolate them and purge the calculator of its demons. This new, non-profit calculator game by the creator of Synonymy is sophisticated, and challenging.

Non-profit and open-source, The Devil's Calculator is a highly original indie game that's as addicting as it is educational. Accessible to numberphiles and math novices alike, the first 20+ levels are 100% free to play and enjoy.

Each level has you decipher the function of a mysterious operator and use it to calculate the number of the beast to progress. Advanced graphing mechanics, countless features and simple, yet innovative level design provide considerable depth to the gameplay. Players unlock the ability to create their own levels and play challenges others have created - including free DLC levels crafted by the game's creators, educators and mathematicians. With hand drawn artwork and a charming story, the Devil's Calculator is a genuinely fun and gratifying puzzle experience.

Cinq-Mars Media is a 501(c)(3) non-profit organization developing technology to support scientific research related to human safety and education, and to make such technology and research available on a charitable basis.
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More data about The Devil's Calculator: A Math

Price Free to download
Total downloads 58 thousand
Recent downloads 820
Rating 4.55 based on 760 ratings
Ranking Not ranked
Version 3.5.0
APK size 43.9 MB
Number of libraries 3
Designed for Android 4.4+
Suitable for Everyone
Ads NO ads

App Performance Report

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The Devil's Calculator: A Math compared with similar apps

Common keywords of similar apps

Profit Indie Logic Play Level Technology Research Calculator Math Levels Educational Game Free

Keywords missing from this app

Arithmetic Mental App Games Fun Addition Calculation Simple Kids Operations Learn Calculations Cute Subtraction Numbers Adults Ages Unicorn Basic Learning Improve Scientific Skills Division Make Multiplication School Equations Number Children Age Girls Stylish Functions Solve Advanced Equation Features Speed Recent Difficulty Option Design Easy

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Google Play Rating history and histogram

Rating history
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590
93
6
12
43

Downloads over time

Downloads over time
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The Devil's Calculator: A Math has been downloaded 58 thousand times. Over the past 30 days, it averaged 27 downloads per day.

Changelog of The Devil's Calculator: A Math

Show changelog

Developer information for Christopher Cinq-Mars Jarvis

Christopher Cinq-Mars Jarvis

info@cinqmarsmedia.com

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Comments on The Devil's Calculator: A Math for Android

★★★★★ Saxton Feiner · Dec 25, 2019
This game is simple to understand and challenges you in a way that doesn't feel hopeless. I would highly this if you like puzzles, want to practice your algebra and critical thinking, or if you just like problem-solving in general. The only complaint I have is that there isn't really a menu that lists all the levels that you have completed; for instance, if you want to return to a level that you've skipped, you'll have to recall that level's number off the top of your head.
★★★★★ xya green · Mar 31, 2023
It's so fun I love math! Couldn't do any of the developer levels tho :c I didn't try hard enough, but it's fine for
★★★★★ Rednassie · Feb 14, 2020
This is a clean and really fun challenging puzzle game. I like it a lot, haven't used any guides yet (lvl 20)
★☆☆☆☆ Zenda Renn · Jul 2, 2024
It's stuck on a white screen, I wanted to jump into this completely blind but not like THIS
★☆☆☆☆ Fred · Nov 6, 2022
Figuring out how to upgrade to the full version without a students email is a puzzle in of itself. Where is the "buy full version" button???
★☆☆☆☆ Bob Devlin · Oct 2, 2022
How is this"Award-winning" unless the award is "Worst Game of the Year"?

Google Play Rankings for The Devil's Calculator: A Math

This app is not ranked

Technologies used by The Devil's Calculator: A Math

4 permissions · 3 libraries
Subscribe to see full permission and library details
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