3 Commits

Author	SHA1	Message	Date
jj97181818	f8891d9a01	add, subtract, multiply, divide, clear	2018-05-09 23:24:20 +08:00
jj97181818	7115f885b5	display the button value	2018-05-09 11:53:50 +08:00
jj97181818	b0cb439f6a	prototype of calculator	2018-05-08 23:14:38 +08:00