From infants to adults! You and I can be kings of math!
You can also add numbers from one to three digits! Subtraction is also possible!
Multiplication and division!
From easy arithmetic to difficult 3-digit arithmetic, improve your mental arithmetic.
If you want to measure, download it now!
2019-03-27 English support / History record function added
2019-11-27 Remove the 3rd digit selection / change the problem solving time from 30 seconds to 60 seconds
/ If the correct answer is incorrect, display the correct answer
2020-08-12 Screen size correspondence / Various errors fixed
2022-05-27 Fixed some device screen size errors
You can also add numbers from one to three digits! Subtraction is also possible!
Multiplication and division!
From easy arithmetic to difficult 3-digit arithmetic, improve your mental arithmetic.
If you want to measure, download it now!
2019-03-27 English support / History record function added
2019-11-27 Remove the 3rd digit selection / change the problem solving time from 30 seconds to 60 seconds
/ If the correct answer is incorrect, display the correct answer
2020-08-12 Screen size correspondence / Various errors fixed
2022-05-27 Fixed some device screen size errors
Show More
