Superscript numeric keypad

This is a soft keyboard which can input "superscript number" used to use for expressing square or cube, etc. in mathematical equations at one touch.Please enter ordinary numbers and alphabets with other keyboards.Please be aware that it may not be saved correctly depending on the character code of the text file to be entered.If it is UTF-8 of the standard character code of Android OS it can be saved correctly.There is a possibility of garbled characters when saving with the standard character code of Windows PC.
Operating System Android