Question : Access / Maths - Calculate price excluding VAT using an Access field which contains the price including VAT.

I have a form with a textbox of which the control source is InsValIncVAT - I want to change this textbox so it takes the VAT off and gives me the original price before VAT.

Answer : Access / Maths - Calculate price excluding VAT using an Access field which contains the price including VAT.

txtPriceLessVAT= ((txtPriceIncVAT/(100+VATRate))*100)