FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Excel groups functions into 12 categories: Compatibility, Cube, Database, Date and Time, Engineering, Financial, Information, Logical, Lookup & Reference, Math & Trigonometry, Statistical and Text. There is an additional category for user-defined functions installed with add-ins.

Detailed explanation-2: -Microsoft Excel provides 4 logical functions to work with the logical values. The functions are AND, OR, XOR and NOT. You use these functions when you want to carry out more than one comparison in your formula or test multiple conditions instead of just one.

Detailed explanation-3: -The first condition that you want to test that can evaluate to either TRUE or FALSE. Optional. Additional conditions that you want to test that can evaluate to either TRUE or FALSE, up to a maximum of 255 conditions.

Detailed explanation-4: -For example, the function =AVERAGE(B1:B9) would calculate the average of the values in the cell range B1:B9. This function contains only one argument. Multiple arguments must be separated by a comma. For example, the function =SUM(A1:A3, C1:C2, E2) will add the values of all cells in the three arguments.