“CalcNote” is an application that allows you to write calculations and practice subtraction like a paper notebook.

Digital Notebook
・ Using a pen or finger (mouse), you can write formulas in your notebook.
・ Open and edit notes created in the past. *

Counting learning support function
・ You can practice subtraction using a pen or finger (mouse).
・ You can practice subtraction of four arithmetic operations according to the level (1-3)
・ The practice history is automatically saved, so you can practice the same question repeatedly. *

• The mark function is only available in the “CalcNote”.