フラッシュ暗算

筆算の手順を教えてくれる算数教材

Interactive Magic Using Binary Number System

Mathematical Formula Reasoning Puzzle Game

It's a simple puzzle game where you tap adjacent numbers to "erase" them or "reduce them by subtraction." When the numbers are the same, they disappear; when they're different, the difference remains. After a certain number of operations, numbers rise up from the bottom, and when they reach the top row, the game is over.

It's a quiz game with game mechanics where you think for 1 minute per question and try to get a set number of correct answers. You can also create problem sets.

This is an app where you can quickly study English vocabulary. It contains approximately 400 words.

子どものタスク管理のためのスタンプカードアプリ

A number puzzle game where you use four numbers with "+-×÷" to make the answer 10. Aim for a high score with insight and calculation skills!

オフラインで遊べる暇つぶしゲームです。

You can easily generate ASCII art characters using symbols on a browser. We have prepared 4 types of ASCII fonts. All fonts are original creations.

ゆるふわにtodo 管理したい人のためのツール

パチッとおして、ピカッとひかる！ドラムパッドみたいなボタンが最高にきもちいい、きみだけの算数トレーニングマシーン！たし算からわり算まで、ゲームをクリアするみたいに楽しくて計算パワーがバク上がり！

みんなもきっと、目からレーザー出したいはず。俺がそうだから

When you choose one color, it generates a color palette that matches that color.

どんな精算も、wariwariですっき

This is a calculator that professionals should use. Let's get serious about what's in front of us. From custom formulas to ratio conversions.

Quiz × Matching App

A Sudoku puzzle that presents new problems daily in three difficulty levels. Simple operation through swipe-based number input. A memo function for unconfirmed candidates provides the same usability as solving puzzles on paper.

A game where you compete to see how large you can make numbers. Since we've prepared a time attack mode and a ranking for growth curve increases, you should be able to enter the top ranks even if you start later. This also serves as debugging.

ランダムで適当な早退理由を作れます

It is a web application that allows you to learn system English vocabulary from a personal computer or smartphone.

Over 5000 problems!

スマホでもパソコンでも使えます。