Unlike inputting button formulas, handwriting allows for intuitive answers. The simple mathematical formulas, starting with single-digit addition, make it ideal for learning arithmetic.
Daily records are charted and intuitive, giving you a sense of accomplishment when you update your records. The ranking function allows users to compare their records with those of other users.
The "Compete" function allows users to compete against other users' records from all over the world.

100 Math Calculator is ideal for improving your child's basic arithmetic skills.
You can improve your child's arithmetic skills in a fun, game-like way.
Of course, adults can also enjoy it.

How to play
- You can choose from 25 5x5 squares or 100 10x10 squares.
- You can choose to add, subtract, or multiply.
- In the game screen, you fill in the answers to the intersecting squares by hand.
- The AI recognizes the letters and moves to the next square if the answer is correct.
- If the answer is wrong, you can erase the answer with the eraser button.
- When all the squares are filled, the game is over.

Features
- Intuitive arithmetic with handwritten text input
- Chart screen allows you to check daily highs and times
- You can see the ranking of your records on the ranking page.