Video 00112 Reverse Column Values, Multiply and Add R.Admin 7 years ago Video 00112 Reverse Column Values, Multiply and Add # Share this:Print Excel Formula : SUMPRODUCT () for Advanced UsersDateFebruary 1, 2016In relation toSmart Excel TipsSimple Excel Tips and TricksDateOctober 23, 2014In relation toExcel TipsCommon Microsoft Excel Problems – Solved!DateNovember 30, 2014In relation toExcel Tips