To activate block mode, press and hold down CTRLand move the mouse while pressing the left or right button. You will see a frame with translucent filling. As soon as you release the mouse button, all the cells that have been highlighted will be colored as selected, or marked with crosses if you right-clicked them initially.
17%
4.3
300
780
6m.25s.
x3
1
20 x 18
7 x 5
2020-05-20 13:03
2020-05-20 14:06
0
0
But red on the numeric grid(or any other) in my opinion gives only an inconvenience.
