It should be pretty simple. However, are you entering the total and want to extract the net + VAT amounts from that?
eg: enter 100 in cell a1 and b1 gives the net and c1 gives the amount of VAT charged?
---------- Post added at 23:32 ---------- Previous post was at 23:30 ----------
Just googled and found this
Code:
Enter sale price in cell A1: 100.00
Enter VAT / Tax in cell A2: 18.00%
Use the following function to calculate the net sale price: =A1/(100%+A2)
The result: 84.75
To calculate the VAT / Tax use the following function: =A1-A1/(100%+A2)
The result: 15.25