1. Microsoft Excel
Chapter 4

2. Chapter 4 – Formula
Anatomy of a formula: A basic formula consists of a combination of cell references, constants and operators. Every formula begins with an equal (=) symbol. Formula can be divided into two types: (1) built-in functions or (2) Tailor-made

3. Built-in Functions
You can simply to click the icon next to the formula box to bring out the formula dialog box. In the formulas dialog box, you can choose a function by clicking an icon.

4. Built-in Function – Sum
Step 1: Select the cell E2. Step 2: Click the button next to the formula box. Step 3: Choose the “SUM” in the function dialog box. Step 4: Select the cells to be summed up, e.g. (B2:D2), and then press the enter.
Step 2
Step 4
Step 1

5. Built-in Function – Average
Step 1: Select the cell F2. Step 2: Click the button next to the formula box. Step 3: Choose the “AVERAGE” in the function dialog box. Step 4: Select the cells to be summed up, e.g. (B2:D2), and then press the enter.
Step 2
Step 4
Step 1

6. In-class Exercise 1: Instructions:
Input the data same as shown in figure 4.1 below.
Use built-in function to calculate the Sum and Average.
Figure 4.1

7. In-class Exercise 2: Instructions:
Input the data same as shown in figure 4.2 below.
Use built-in function to calculate the Sum and Average.
Figure 4.2

8. Creating Formula To create a formula without functions:
Select the cell that will contain the formula and type an equal sign (=).
Construct the formula by typing constants, cell references, and operators. Press the or click the  in the formula bar to complete the formula.
Enter

9. In-class Exercise 3: Instructions:
Input the data same as shown in figure 4.3 below.
Use creating formula method to calculate the Sum and Average.
Figure 4.3

10. In-class Exercise 4: Instructions:
Input the data same as shown in figure 4.4 below.
Use creating formula method to calculate the Subtotal and Total.
Figure 4.4

11. In-class Exercise 5: Instructions:
Input the data same as shown in figure 4.5 below.
Use creating formula method to calculate the Average weight, Average height and the BMI.
Figure 4.5

12. Check your BMI: Boys Girls Age 9 10 11 12 Too Light Less than 14.0
Going to be too heavy
18.6 – 21.0
19.4 – 22.1
21.0 – 24.3
Too heavy
More than 21.0
More than 22.1
More than 23.2
More than 24.3
Girls
Age 9 10 11 12
Too Light
Less than 13.7
Less than 14.0
Less than 14.4
Less than 14.7
Going to be too heavy
19.1 – 21.8
20.0 – 22.9
20.9 – 24.1
21.8 – 25.3
Too heavy
More than 21.8
More than 22.9
More than 24.1
More than 25.3