4/3
3/4
5
-5
|-9|
9
unzip
zip
5/6
6/5
-7
7
|8|
8
subtraction
addition
36/5
5/36
-33
33
|8+5|
13
division
multiplication
6/9
9/6
24
-24
|4-5|
1
56/7
7/56
37/17
-(-3)
-3
|5-8|
3
Press F11 Select menu option View > Enter Fullscreen for full-screen mode