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I need help setting up this formula so that when the 3 columns are left blank, the cell with the formula is left blank as well. To multiply two columns in excel, write the multiplication formula for the topmost cell, for example: Start your formula with a. The problem is that, when left blank, the total in the formula cell is -20. (The way to tell excel/open office/ libre office that you wrote an array formula is to press ctrl + shift + enter. Our problem is to calculate these covariances efficiently. I have 3 columns that are needed based on the type of sale.

An alternative if the formula is in the first cell of a column: Select the entire column by clicking the column header or selecting any cell in the column and pressing CTRL + SPACE. Use CTRL + UP to return up.On Mac, use CMD instead of CTRL. Drag or copy-paste the formula to the remaining cells. The output is 49, as shown in the succeeding image. Step 1: Enter the multiplication formula in excel A4B4 in cell C4. Excel Details: Fill down by pressing CTRL + D. We want to multiply the numerical values of the first column by the second one. You can even extrapolate the same concept to a whole matrix (for example: A1:C10) Shortcut to Apply a Formula to an Entire Column in Excel. Be sure to include a symbol before B and before 2 in the formula, and press ENTER.

Type A2B2 in a new column in your spreadsheet (the above example uses column D). In this example, the number you want to multiply by is 3, contained in cell C2. Suppose you want to multiply each cell in a column of seven numbers by a number that is contained in another cell. All values are counted, including text, numbers, percentages, errors, dates, times, fractions, and formulas that return empty strings (''). The formula now looks like this with the flower braces Īnd the formula gets applied all the way from D1 to D30. Multiply a column of numbers by a constant number. The way you would implement this in your case is The best way to do this is to use something called array formulas or array functions (in libre office). Quickest way to manipulate whole rows or columns is using an array formulaĬheck my answer to the similar question - įrom your question it seems that you are trying to apply the same formula on whole row (or column) of cells and show the result on another row (or column).