What are some formulas of MS Excel?

If your using sum formula in excel you can press short cut key Alt+=

You should be more specific. You can either go to "formulas" tab then select insert formula, or you can click on the function button that is above the column letters.

click on the cell the formula to be implemented. Start with "=" and enter the formula required.

For example "=Sum(A1:A)" and press enter 

SUM Formula: =SUM(5, 5) or =SUM(A1, B1) or =SUM(A1:B5)

Count Formula: =COUNT(A1:A10)

Answer is ALT key and equal key

In Excel 2010, there are many templates that can save you a lot of time. A template is a predesigned spreadsheet you can use to create new spreadsheets with the same formatting and predefined formulas.

To SUM, Formula: =SUM(5, 5) or =SUM(A1, B1) or =SUM(A1:B5)

If you want addition =sum (A1,B1) Where symbol = is use for formula SUM for function () for cells or range. Simply =A1+B1 means add A1 and B1 same like this =A1*B1 means multiplication =A1/B1 mean dividing. There are many different types of formulas used as per their requirements. Vlook up Hook up Countif Sum Average etc etc

lick on the cell the formula to be implemented. Start with "=" and enter the formula required. For example "=Sum(A1:A)" and press enter.

If your using sum formula in excel you can press short cut key Alt+=

You should be more specific. You can either go to "formulas" tab then select insert formula, or you can click on the function button that is above the column letters.The SUM formula allows you to add 2 or more numbers together.

Formula: =SUM(A1, B1) or =SUM(A1:B5)

it depends on what you are computing; see example below: =SUM(A1:A50) =A1*C1