Microsoft Office Tutorials and References
In Depth Information
Chapter 14: Introducing Arrays
This formula creates a new array (in memory) that consists of the product of the corresponding
elements in the two arrays. The new array is as follows:
{5,12,21,32}
This new array is then used as an argument for the SUM function, which returns the result (70).
The formula is equivalent to the following formula, which doesn’t use arrays:
=SUM(1*5,2*6,3*7,4*8)
A formula can work with both an array constant and an array stored in a range. The following
formula, for example, returns the sum of the values in A1:D1, each multiplied by the corresponding
element in the array constant:
=SUM((A1:D1*{1,2,3,4}))
This formula is equivalent to
=SUM(A1*1,B1*2,C1*3,D1*4)
Array constant elements
An array constant can contain numbers, text, logical values (TRUE or FALSE), and even error
values such as #N/A. Numbers can be in integer, decimal, or scientific format. You must enclose text
in double quotation marks (for example, “Tuesday”). You can use different types of values in the
same array constant, as in this example:
{1,2,3,TRUE,FALSE,TRUE,”Moe”,”Larry”,”Curly”}
An array constant cannot contain formulas, functions, or other arrays. Numeric values cannot
contain dollar signs, commas, parentheses, or percent signs. For example, the following is an
invalid array constant:
{SQRT(32),$56.32,12.5%}
 
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