Is there a way to remap the keys to simulate a numpad?

FOSTCH wrote:

I would like to simulate a numpad on my macbook keyboard. Is there a way to remap the keys?

For example: " m=0 j=1 k=2 l=3 u=4 i=5 o=6 8=7 9=8 0=9 p=+ '=- F9=* F8=/ "

Activating it with holding the fn key, for example.

Keyboard Maestro

https://www.keyboardmaestro.com/main/

alternative

https://karabiner-elements.pqrs.org/

Check this

https://github.com/zhukant/Karabiner-Numpad-Mode