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Android Apps > Education > Arithmetica
Arithmetica icon

Arithmetica

by Christophe Auclair · Education · Free
On Google Play since January 2018 · Data updated 2026-10-21

Arithmetica is made and published by Christophe Auclair. AppBrain is an independent app data site and isn't affiliated with Christophe Auclair. The app name, icon, screenshots and description belong to Christophe Auclair and are shown as published on Google Play.

AppBrain's verdict

Established
Installs
17 thousand
Last updated
September 5, 2026
Ads
No ads
Size
22.5 MB

Arithmetica has 17 thousand installs. It doesn't have enough ratings yet to judge what users think.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Arithmetica for Android

★★★★★ Excellent app for children and adults wishing to learn or brush up number skills.

Store listing

By Christophe Auclair, from Google Play

“Arithmetica is the companion application for the teaching of arithmetic.”

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Screenshots by Christophe Auclair, from the Google Play listing
Description by Christophe Auclair Written by the developer, not by AppBrain. Click to read.
PRÉSENTATION :

Type : Activités/Boite à outils/Exerciseur

Cycles concernés : cycle 4, Lycée

Description : Arithmetica est une application compagnon pour l’enseignement de l’arithmétique au collège et au Lycée. Certains outils peuvent être utilisés dès le cycle 3, d’autres peuvent servir en classe de terminale

Arithmetica est découpée en trois parties principales :

I. Activités :

Le quizz de démarrage permet au professeur de tester les connaissances préalables des élèves : Vocabulaire de la division, diviseurs et multiples, critères de divisibilité. Un bilan individuel peut être récupéré grâce à l’application scanScores.

Le crible d’Ératosthène permet une première manipulation de la notion de nombre premier.

L’activité Engrenages et roues permet à l’élève de se familiariser avec la notion d’engrenage (à deux puis 3 roues), d’en découvrir le fonctionnement sur un cas simple et d’appliquer ses connaissances sur un cas plus compliqué.

L’activité les irréductibles permet à l’élève de se familiariser avec la simplification de fractions à l’aide de la décomposition en produist de facteurs premiers. Un exerciseur permet ensuite de s’entraîner.

L’activité Du côté de Syracuse porte sur la conjecture de Syracuse : Enoncé de la conjecture sous la forme d’un programme de calcul, calculs de suites de termes, notion de durée de vol et d’altitude, etc.


II. Boite à Outils :

Diviseurs d’un nombre entier permet d’avoir un rappel de cours (définition et critères), et de déterminer la liste des diviseurs d’un entier (jusqu’à 9 000 000 000 000 000), le nombre et la somme des diviseurs

Nombres Premiers permet d’effectuer un test de primalité sur un entier (possibilité d’afficher la liste des diviseurs si non premier) et de consulter le tableau des entiers premiers inférieurs à 10 000.

Décomposition permet de décomposer un entier en un produit de facteurs premiers, avec ou sans puissances.

Avec deux nombres entiers permet de déterminer, entre autres, si deux nombres sont premiers entre eux ou non. Il est également possible d’afficher la liste des diviseurs communs, et le PGCD, le PPCM des deux nombres, ainsi que les coefficients u et v de bézout.


III. Jeux Sérieux :

Divisibox est un jeu centré sur la notion de diviseurs, avec les tables de multiplication ou les critères de divisibilité.

Prime Game est un jeu de rapidité dans lequel il faut indiquer si le nombre affiché est premier ou non (possibilité de paramétrer le temps de jeu et la taille des nombres).

Juniper Green est une adaptation du célèbre jeu éponyme. Possibilité de jouer seul (plus longue suite) ou à deux. Possibilité de paramétrer la taille de la grille.

Recent changes:
Mise à jour SDK
Correction de problèmes d'intégration de certaines fonts
Official page on Google Play

Safety and technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
2
App size
22.5 MB
Needs Android
4.0+
Content rating
Everyone

Technologies used by Arithmetica

2 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
1.0.5
Launched
January 2018
  • Sep 5, 2026UpdateVersion 1.0.5
  • Sep 3, 2025UpdateVersion 1.0.4
  • Sep 21, 2024UpdateVersion 1.0.3
  • Sep 7, 2023UpdateVersion 1.0.2
  • Jul 28, 2022Installs10,000+ installs
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
170
Play install range
10+ thousand
Launched
January 2018

Installs over time

Arithmetica has been installed 17 thousand times. Over the past 30 days, it has been installed 170 times.

Rankings

Google Play top charts

Google Play Rankings for Arithmetica

This app is not ranked

About the app and developer

About Arithmetica

Arithmetica is an education app developed by Christophe Auclair.

How many times has Arithmetica been installed?

Arithmetica has been installed 17 thousand times. In the last 30 days, the app was installed 170 times.

What is the rating of Arithmetica?

Arithmetica has no ratings yet.

Is Arithmetica free?

Arithmetica is free. The app size is 22.51 MB. The latest version available is 1.0.5. The last update was on September 5, 2026.

What are the requirements for Arithmetica?

Arithmetica requires Android 4.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since January 2018.

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Developer information for Christophe Auclair

Christophe Auclair

christophe.auclair@gmail.com

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Frequently asked questions about Arithmetica

Is Arithmetica free?

Yes. Arithmetica is free on Google Play.

Is Arithmetica still available?

Yes. Arithmetica is on Google Play, and the last update we saw was on September 5, 2026.

Does Arithmetica contain ads?

No. Google Play does not list Arithmetica as containing ads.

What Android version does Arithmetica require?

Arithmetica runs on Android 4.0 and higher.

How large is Arithmetica?

Arithmetica is 22.51 MB.

Is Arithmetica suitable for children?

Google Play rates the content of Arithmetica as suitable for everyone.

How many times has Arithmetica been installed?

Google Play lists 10,000+ installs for Arithmetica.

Who made Arithmetica?

Arithmetica was developed by Christophe Auclair. It is listed in the education category on Google Play.

What are the best alternatives to Arithmetica?

People looking at Arithmetica also look at these education apps: Papillon : l'appli scolaire, احسب معدلك بسرعة, Dictée, Math 24 - Mental Math Cards, Cours 3eme Année Collège.

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