I'm facing a small, basic little problem, for which I can't find the solution:
I'd like to insert the same formula in several cells at once. Quickly googling this problem provides a solution:
Either highlighting all cells and use *ctrl+enter*, or using the *fill* tool. But all of these solutions change the formula accordingly. (e.g. if I use *=P1/12*, and select all cells from *B1* to *O1*, *P1* decrements) The cell should not be treated as a variable.

Basically, I just want to type in a number (e.g. expenses) for one year, that gets split up in 12 equal numbers for each month, hence *P1/12*.