MS Excel
A circular reference is

A cell that points to a drawing object
Geometric modeling tool
A formula that either directly or indirectly depends on itself
Always erroneous

ANSWER DOWNLOAD EXAMIANS APP

MS Excel
If you need to remove only the formatting done in a range (numbers and formula typed there should not be removed), you must

From Edit menu choose Delete
Click on Remove Formatting tool on Standard Toolbar
From Edit menu choose Clear and then Formats
Double click the Format Painter and then press Esc key in keyboard

ANSWER DOWNLOAD EXAMIANS APP