600610776

[Jinojanashi]

• add function to any button
• after you click operator you can see first number and operator
• after you click operator button and click to number button if you click clear button display change to 0 you can click 1 time to clear all
• you can't click dot button two time on display bug!!!
• if you click *,/ button again you can't calculate them
• after you use +- button if you click = button first time you can see a correct result but if you click it again result fail
• if you click back button you can click dot again