Adding a new column to either an entire spreadsheet or just a portion is an easy thing to do in Microsoft Excel. Here's how.

Learn how to multiply numbers in single cell, multiply multiple numbers from several cells, multiply column of numbers in Excel.

If you have a lengthy column of numbers that you need to multiply by a percentage, Excel includes tools to instantly apply the product to the entire range of cells in the column.

Learn how to combine Microsoft Excel’s ROW() and ROUNDUP() functions to create a flexible serial function that returns groups of consecutive values.