This document provides an overview of Excel formulas. It discusses the components of formulas, including cell references, numbers, and operators. Formulas always begin with an equal sign (=). The order of operations is: parentheses, exponents, multiplication/division, addition/subtraction. There are three types of cell references: relative, absolute, and mixed. Relative references update when copied, absolute references remain fixed, and mixed references have some fixed and some updating elements. The document provides examples and quizzes to reinforce the key concepts.

1. Lesson 4 Excel Formula
Very Important!!

2. Excel Formula-Solve problem w/
numbers
•Psychology
•Sociology
•Baseball Statistics
•Game analysis
•Accounting

3. Simple Formula Family
= A3 + b5 Formula components
= A5*34 1. =
2. Operand:
= C10/5 a. C3,B5,D12 – Cell Reference
b. 34,5,3 – numbers
= D12 – b5
= $D$3-3
3. Operator: +,*,/,-,^
= $E$1/$d$1

4. Order of Evaluation
– Same Rule As Algebra -
 ( ) To force the operation first
 ^ - Exponent 2^ =4, 3^2=9
2
 *, /
 +, -

5. Let’s Practice
 = ( A4 + B5 )*5
 = A4 + B5 * 5
 = A4 + B5 – 34
 = A4 * A 5 / 34
= A4/2 + 3
= A4/(2+3)

6. 3 Kinds of Cell Reference – You
Need to Know …………………
 1st Kind: Relative Cell Reference:
cell reference updated base on
new location they copied &
pasted to 3 2 =A1+B1 =B1+C1
5 3 =A2+B2 =B2+C2
6 4 =A3+B3 =B3+C3
9 4 =A4+B4 =B4+C4
1 2 =A5+B5 =B5+C5
2 8 =A6+B6 =B6+C6

7. 2 ND
Kind of Cell Reference:
Absolute Cell Reference
Absolute Reference: cell reference remain the same no
matter where it is copied to.
3 2 =$A$1+$B$1 =$A$1+$B$1 =$A$1+$B$1
5 3 =$A$1+$B$1
6 4 =$A$1+$B$1
9 4 =$A$1+$B$1
1 2 =$A$1+$B$1
2 8 =$A$1+$B$1

8. 3rd Kind: Mixed Cell Reference
 Mixture of Absolute and Relative
= A3 + $B$4
= A$5 + $B5

9. To Sum Up…………….
Relative C1 Both the row and column will
change when copied to another
location
Mixed $C1 The column will not change
when copied to another location,
but the row will.
Mixed C$1 The row will not change when
copied to another location, but
the column will
Absolute $C$1 The column and row will not
change when copied to another
location

10. Here Comes the Review

11. Quiz 1
 If you want to start writing formula by
Excel, What symbol do you start with to
tell Excel “ That’s a formula “ ?
= Equal Sign

12. Quiz 2
Name the order of evaluation
1. ( )
2. ^
3. *, /
4. +, -

13. Quiz 3 T/F
 If you fill = A1 + B1 down from C1 to
C2,the formula will remain unchanged
A B C D
1 3 4 =A1+B1
2 6 6 =A1+B1
3
Answer: False

14. Quiz 3 T/F
 If you want to make your cell reference
absolute, you need to add $ to your
column letter and row number.
= $ A $4 + $B $ 5
OF COURSE! No Doubt!

15. Quiz 4 T/F
Relative Cell Reference: cell
reference updated base on new
location they copied to in the worksheet
Hope you get it right!
Answer is YYYYYes!