Useful Microsoft Excel Keyboard Shortcuts

Hi all,
I would like to share about useful Microsoft Excel keyboard's shortcuts. Here is some of them :
Ctrl + 1 : Format Cell
Ctrl + Spacebar : Select row of the current cell
Shift + Spacebar : Select column of the current cell
Ctrl + + : Insert cell. If there are rows/columns selected then it will instantly inserted

Ctrl + - : Delete cell. If there are rows/columns selected then it will instantly deleted
Ctrl + H : Find and replace
Ctrl + PageUp : Move to next sheet
Ctrl + PageDown : Move to previous sheet
F4 : Repeat single last action/command

Many simple keyboard shortcuts can still be used that i can't describe here, such as : 
Ctrl + Z, Ctrl + B, Ctrl + I, Ctrl + C, Ctrl + V, Ctrl + S, Ctrl + P 

Hopefully useful.