## How to use this Math Calculator

### Step 1: Enter the First Number

Use the numeric keypad to enter the first number in your calculation.

### Step 2: Select the Operator

Choose the desired mathematical operator (e.g., + for addition, – for subtraction, × for multiplication, ÷ for division) by pressing the corresponding key.

### Step 3: Execute the Operation

Press the ‘=’ key to perform the calculation and display the result.

### Step 4 : Continue Calculations (Optional)

To perform additional calculations with the result, press the operator key for the next operation and enter the next number, then press ‘=’ again.

### Step 5: Clearing Entries

Press ‘C’ or ‘AC’ to clear the current entry or all entries, respectively, and start a new calculation.

## What Are the Functions on the Calculator?

• ÷   Division
• ×   Multiplication
• −   Subtraction
• =   Calculate
• +/-   Plus/minus toggles the pos/neg sign of the displayed number
• C   Clear entry
• AC   All clear

## How to Use Basic Calculator Operations

Calculation Steps
3 + 5 = 8 3 + 5 =
7 – 9 = -2 7 – 9 =
3 + (-5) = -2 3 + (-5) =
(-7) – 9 = -16 (-7) – 9 =
7.3 + 12.25 – 10.75 = 8.8 7.3 + 12.25 – 10.75 =

Multiplication and Division

Calculation Steps
13 × 3 × 2 = 78 13 × 3 × 2 =
25 ÷ 2 = 12.5 25 ÷ 2 =
8.35 × 17.25 ÷ 10.16 = 14.19 8.35 × 17.25 ÷ 10.16 =

Repeating Operations

Calculation Steps
3 + 5 + 5 + 5 = 18 3 + 5 + 5 + 5 =
3 + 3 + 3 = 9 3 + 3 + 3 =
7 – 3 – 3 – 3 – 3 = -5 7 – 3 – 3 – 3 – 3 =
5 × 2 × 2 × 2 = 40 5 × 2 × 2 × 2 =
2^6 = 64 2 × 2 × 2 × 2 × 2 × 2 =