Enjoy the one hundred squares calculation! From top to bottom, you make answers in squares. As soon as you make answer, it is scored. When you fill all squares by answers, your answer time is recorded. Please enjoy it! ■4 modes: - Addition - Subtraction - Multiplication - 4 operations(Addition, Subtraction, Multiplication, Division) ■4 keyboard type: - Phone - Calculator ■Graph mode: - You can confirm the history of your records. ■Limited answer mode (more than 0 only) - In only subtraction, you can select limited answer mode. (large number - small number > 0) ■Mini Games (updated in 2021.Dec) - Touch Practice - Answer Number - How many? - Analog Clock - Kraepelin - Rock,Paper,Scissors - Fill Spaces - Touch in Order ■Checked by Pixel 6a (Android 13)