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The following examples show you how to create multi-cell and single-cell array formulas. Where possible, we’ve included examples with some of the dynamic array functions, as well as existing array formulas entered as both dynamic and legacy arrays.
Excel provides two types of array formulas: Array formulas that perform several calculations to generate a single result and array formulas that calculate multiple results. Some worksheet functions return arrays of values, or require an array of values as an argument.
Excel formulas that return a set of values, also known as an array, return these values to neighboring cells. This behavior is called spilling. Formulas that can return arrays of variable size are called dynamic array formulas.
You can use array formulas to do complex tasks, such as: Count the number of characters that are contained in a range of cells. Sum only numbers that meet certain conditions, such as the lowest values in a range or numbers that fall between an upper and lower boundary.
You can use constants in your array formulas or by themselves. In your array formula, type an opening brace, the values you want, and a closing brace. Here's an example: =SUM(A1:E1*{1,2,3,4,5})
This new dynamic array behavior can also affect earlier functions that have the ability to return a multi-cell range or array. Below is a list of functions that could return multi-cell ranges or arrays in what we refer to as pre-dynamic array Excel.
Returns a calculated array of a specified row and column size, by applying a LAMBDA. Syntax =MAKEARRAY(rows, cols, lambda(row, col)) The MAKEARRAY function syntax has the following arguments and parameters: rows The number of rows in the array. Must be greater than zero.
Structured references make it easier to use formulas with Excel tables by replacing cell references, such as C2:C7, with predefined names for the items in a table.
Learn about the UNIQUE function, which returns a list of unique values in a list or range. UNIQUE is in a class of functions called dynamic arrays.
The implicit intersection operator was introduced as part of substantial upgrade to Excel's formula language to support dynamic arrays. Dynamic arrays bring significant new calculation ability and functionality to Excel.