Checkbook Calculator
Total: 0.00
How to Use the Checkbook Calculator

Enter an Operation:
 Choose the desired operation from the “Operation” dropdown menu:
 Auto: Automatically adds the entered amount to the total.
 Auto Decimal: Automatically adds the entered amount with decimal precision.
 + (Add): Adds the entered amount to the total.
 − (Subtract): Subtracts the entered amount from the total.
 × (Multiply): Multiplies the total by the entered amount.
 ÷ (Divide): Divides the total by the entered amount.
 Choose the desired operation from the “Operation” dropdown menu:

Enter the Value:
 Input the amount you wish to add, subtract, multiply, or divide from the total in the “Entry” field.

Calculate:
 Click the “Calculate” button to perform the operation. The result will update the total displayed at the top of the calculator.

Reset:
 To start over, click the “Reset” button. This will clear the total and the entry field, allowing you to begin a new calculation.
Example
Imagine you want to balance your checkbook by adding a deposit and subtracting a withdrawal:
 Step 1: Choose + (Add) from the operation dropdown.
 Step 2: Enter $500 in the “Entry” field.
 Step 3: Click Calculate. The total should now show $500.00.
 Step 4: Now choose − (Subtract) from the operation dropdown.
 Step 5: Enter $100 in the “Entry” field.
 Step 6: Click Calculate. The total should now show $400.00.
Formulas
The calculator uses basic arithmetic operations to update the total:
 Addition: Total = Total + Operand
 Subtraction: Total = Total – Operand
 Multiplication: Total = Total * Operand
 Division: Total = Total ÷ Operand
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