how to show colour coding calc?

[Lole]

When i am coding function then cells does not show a color distinction, so how to show colour coding calc? thank you!
My english is not good.

[jimk]

This question does not provide many details. Also, do not post as wiki. See guidelines for asking.

[jimk]

Perhaps this is what you are asking: Highlight all the cells used for a calculation used in another cell?.