Question Discussion & Solution

An array formula is a formula that can perform multiple calculations on one or more of the items in an array. We can think of an array as a row of values, a column of values, or a combination of rows and columns of values. Array formulas can return either multiple results or a single result. For example, we can create an array formula in a range of cells and use the array formula to calculate a column or row of subtotals. We can also place an array formula in a single cell and calculate a single amount. An array formula that includes multiple cells is called a multi-cell formula, and an array formula in a single cell is called a single-cell formula.

A cell can be ready to activate by any of the method Pressing the Tab key or Clicking the cell or Pressing an arrow key.

B7:B9 indicates a range of cell between Cells B7 through B9.

The absolute cell reference in excel is a cell address that contains a dollar sign ($). It can precede the column reference, the row reference or both.

There are Three types of data in cells: labels, values, and formulas. Labels (text) are descriptive pieces of information, such as names, months, or other identifying statistics, and they usually include alphabetic characters. Values (numbers) are generally raw numbers or dates. Formulas are instructions for Excel to perform calculations.