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# 14 formulas and functions

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### 14 formulas and functions

1. 1. Formulas and FunctionsLecture 14Zikria Mian
2. 2. Formulas• A formula can consist of– Mathematical and logical operators– Cell references– Values and text– Worksheet functions*
3. 3. Formulas (continued)• Operators (and their precedence) in Excel• ^ (Exponentiation)• * (Multiplication)• / (Division)• + (Addition)• - (Subtraction)• & (Concatenation)• = (Equals to)• < (Less than)• > (Greater than)– Parentheses can be used to override precedence
4. 4. Formulas (continued)• Examples=“CS101” & “Section E”=A1&A2=2^6=A1<A2=A1<=A2=(A1+200)*A2
5. 5. Formulas (continued)• Parentheses=(B2-B3)*B4=B2-B3*B4=B2-(B3*B4)*Excel helps you to match parentheses
6. 6. Functions• Microsoft Excel provides an extensive listof Functions for assistance in formulas• Examples• Average• Max• Sum• Today• If Function
7. 7. Functions (continued)• Methods to enter formulas into worksheet– Manually– By Pointing– By pasting range names– By inserting functions into formulas
8. 8. Cell Referencing• Cell referencing can be– Relative– Absolute– Mixed• Referencing from outside worksheet• Referencing from outside workbook
9. 9. Summary• Formulas– Precedence and effect of parentheses• Functions– Types, how to enter functions• Cell referencing
10. 10. Summary• Formulas– Precedence and effect of parentheses• Functions– Types, how to enter functions• Cell referencing