mental-arithmetic

Web app for practicing mental math

Mental math trainer made in C#.

Web application for practicing mental arithmetic

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

Train your mental arithmetic skills every day using a fun game environment and see your improvements over time with insightful statistics.

An interface involving various mental arithmetic tasks using the React framework, Next.Js

Drag and Carry Multiplication Algorithm v2

"Which day of the week" is made for people who are trying to learn how to calculate the Day of the Week of a random date within seconds.

Mental math trainer with real-time analytics and performance tracking — sharpen your skills for quantitative assessments. Fully customizable and optimized for desktop, tablet, and smartphone.

A desktop application for Flash Anzan mental arithmetic training, built with Java and JavaFX.

Fitting the learning curve of 359 Zetamac games: level, noise, and when the next point stops being worth it. Python, one reproducible script.

フラッシュ暗算

Train multiplication skills with adaptive questions that focus on your weak spots. Saves progress locally. Built with vanilla JS.

Small Vue app to practice mentally converting from one currency to another

Numbra is a CLI app for mental-arithmetic practice with reproducible exercises, timed challenges, and local SQLite statistics

Soroban (abacus) mental arithmetic exercise generators + interactive SVG abacus. Zero dependencies.