Always refers to a cell in a specific location. When a formula is copied or filled to other cells, the formula's cell references remain fixed. For example, suppose a formula in cell B2 that references cell A1. If you copy that formula to cell B3, the cell reference remains $A$1.

alpha,standard_dev,size!Returns the confidence interval for a population mean, using a Student's T distribution!is the significance ...
alpha,standard_dev,size!This function is available for compatibility with Excel 2008 and earlier.Returns the confidence interval ...
Alternative text is applied to a PivotTable in this workbook. Alternative text on PivotTables will be removed in versions ...
Alternative text is applied to a table in this workbook. Alternative text on tables will be removed in versions prior to ...
Always refers to a cell in a specific location. When a formula is copied or filled to other cells, the formula's cell references ...
An easy way to copy individual styles from another workbook: Copy the cells formatted with the styles you want from that ...
An embedded object in this worksheet is created in a newer version of Office. You cannot edit it in an earlier version of ...
An item name cannot be found. Check that you've typed the name correctly and the item is present in the PivotTable report. ...
An item name in the formula does not match any of the items in the field.Check the field in the PivotTable report to make ...