=WEEKDAY(A1)=2 The above validation formula ensures that:

Consider the given image below

Often, an error in one cell is the result of an error in a precedent cell. To trace the error to the source you would use?

Referring to the figure below. If you have the ages of people and want to classify them into groups such as 17 or younger, 18–24, 25–34, and so on, you would use which formula in cell B2?

What will be returned by entering the following formula? =SUM({1,0,1,0,1})

Anytime when you return more than a single cell, you should be using array formula. Array formulas are special formulas that work on an array of numbers and it will work effectively if you press the following keys combination?

How can you do 'SUMIFS' in Excel prior to the 2003 version?

The correct formula to generate a random number between 20 and 100 is:

How many users can work simultaneously on a shared workbook?

A drop down menu contains 'Sum','Average' and 'Max', a table exists mapping these values to 1,2 and 3 respectively. What function next to the drop-down will Sum, Average or Max A1:A100 based on the drop-down input?

Cell A1 contains the formula =F39. If you copy that to cell B2 the formula in B2 will be: