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About Functions SUM, AVERAGE, MIN, MAX, COUNT, ROUND.

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Presentation on theme: "About Functions SUM, AVERAGE, MIN, MAX, COUNT, ROUND."— Presentation transcript:

1 About Functions SUM, AVERAGE, MIN, MAX, COUNT, ROUND

2 WHAT IS AN EXCEL FUNCTION? A pre-defined formula used in a calculation Excel has over 300 functions – business, scientific & engineering Functions Today: –SUM –MIN, MAX –AVERAGE –COUNT –ROUND

3 Argument: A value Range: Two or more cells on a sheet. The cells in a range can be adjacent or nonadjacent Cell reference: The set of coordinates that a cell occupies Constant: A value that is not calculated –E.g., the number 210 and the text "Quarterly Earnings” Formula: A sequence of values, cell references, names, functions, or operators in a cell that together produce a new value –=SUM(A1:A5) adds all the numbers that are contained in cells A1 through A5. –=SUM(A1, A3, A5) adds the numbers that are contained in cells A1, A3, and A5. Some things you need to know...

4 Description The SUM function adds all the numbers that you specify as arguments. Each argument can be numbers or cell references. Syntax =SUM(number1, [number2], [number3], [number4],...)

5 Description Returns the average of the arguments. For example, if the range A1:A20 contains numbers, the formula =AVERAGE(A1:A20) returns the average of those numbers. Syntax =AVERAGE(number1, [number2],...)

6 Description MAX function to find the maximum number in a selected range. MIN function to find the minimum number in a selected range. Syntax =MIN(A2:A7) Smallest number in the range (0) =MAX(A2:A7) Largest number in the range (27) 1.Use the drop down arrow next to the AutoSum button 2.Select Max or Min from the list 3.Ensure the cell range is correct 4.Press Enter

7 Description The COUNT function counts the number of cells that contain numbers within a range. Syntax =COUNT([value1], [value2],...)

8 Description The COUNTA function counts the number of cells in a range that are not empty. Syntax =COUNTA([value1], [value2],...)

9 Description The ROUND function rounds the value of a cell for you. Syntax =ROUND(number, num_digits)

10 Use to take you into the spreadsheet to select a range of cells

11

12 BRACKETS More than one mathematical symbol is used BODMAS theory -- Calculations performed in the following order: –Brackets over –Division –Multiplication –Addition –Subtraction

13 =B2-B3*B4 =(B2-B3)*B4

14 CALCULATION ORDER

15 EXERCISE Cells G2, H2, I2 and J2 Down each appropriate range of cells


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