You can set the calculation level by choosing +-×÷, and 1~5 digits. If you register e-mail address or FB account, you can share and save your result.(If you use FB, username is automatically changed for FB name. You can replace new name by setting)
You can set the calculation level by choosing +-×÷, and 1~5 digits. If you register e-mail address or FB account, you can share and save your result.(If you use FB, username is automatically changed for FB name. You can replace new name by setting)