**Common Questions about the ISNUMBER Formula:**

• What is the syntax of the ISNUMBER formula?

• How can the ISNUMBER formula be used to identify specific data types?

• How can the ISNUMBER formula be used to align data in cells?

• What is the result of the ISNUMBER formula?

**How can the ISNUMBER formula be used appropriately:**

• To identify if a cell contains a numeric value

• To determine if a data range is composed entirely of numeric values

• To align data by forcing one data type into a specific cell pattern

**How can the ISNUMBER formula be commonly mistyped:**

• Using ISNAR instead of ISNUMBER

• Using ISTEXT instead of ISNUMBER

• Forgetting to include the parenthesis at the end of the formula

• Also mistyped as INNUMBER, INSUMBER, ISNUMBR, ISNUMBRE.

**What are some common ways the ISNUMBER formula is used inappropriately:**

• Using the formula to identify Boolean data types

• Using the formula to force alpha-numeric data into a numeric cell

• Using the formula to identify strings instead of numbers

**What are some common pitfalls when using the ISNUMBER formula:**

• Trying to force a text string into a numeric cell without first validating it

• Mistakenly using the ISNUMBER formula to identify Boolean data types

**What are common mistakes when using the ISNUMBER Formula:**

• Errors in syntax

• Incorrect reference to a cell or range

• Using the wrong data type formula (ISTEXT, ISBOOLEAN, etc)

**What are common misconceptions people might have with the ISNUMBER Formula:**

• Thinking that the ISNUMBER formula can return a Boolean value

• Believing that the ISNUMBER formula can force text strings into numeric data cells

• Not understanding the syntax of the formula and its proper usage