mental-math

Break the doomscroll habit with a quick math challenge. The more you scroll, the harder it gets. Step away and it gets easier. Open source, no ads, no tracking, works offline.

A mobile application for training mental math skills.

Web app for practicing mental math

Curated roadmap for quant finance interviews (Quant Trader, Quant Researcher, Quant Analyst): probability, mental math, brainteasers, coding & high-signal resources.

Practice Math problems in a fun, beautiful, material experience!

This is a mock mental arithmetic test I made for my own use when applying for jobs in prop trading and market making.

A fast-paced educational web game where players race against time to solve math equations, testing speed and accuracy.

Offline mental math trainer made in C#.

Mental math trainer combining MonkeyType aesthetics with Zetamac timed arithmetic and multiplayer ELO races. Next.js, TypeScript.

Mental Math Game

Calculating the day of the week of any date is not hard! This Blazor-Webassembly app supports you learning it and improving yourself.

🧮 NumberDash — juego de escritorio en pygame para practicar cálculo mental: cuatro niveles (básico a experto) con operaciones que cruzan la pantalla, 3 vidas y dificultad progresiva.

An easy and simple math braintrainer app, based on mental calculation, with plans of adding new games as you go.

纯 Android Kotlin 口算 PK 辅助原型，支持作业帮和小猿口算，基于 AccessibilityService 节点识别与手势操作。

🔢 A command line program for mental math problems

Mental Addition Trainer is a web application designed for mental calculators to practice and improve their speed, accuracy, and stamina in multi-row addition through timed, customizable training sets.

Simple mental maths game written in Rust

🐊 تطبيق تدريب القدرات الذهنية والحساب السريع | Mental Abilities & Fast Math Training App - Duolingo-inspired Flutter app with 5 categories, adaptive difficulty, and 21 mental math patterns

Game for practicing arthimetic