A keyboard with a built-in calculator provides a convenient way to perform basic arithmetic operations without needing a separate calculator application. This tool typically includes a standard keyboard layout along with a dedicated calculator section for quick calculations.
Inputs
- Number 1 (N1): The first number in the calculation.
- Number 2 (N2): The second number in the calculation.
- Operation (O): The arithmetic operation to be performed (addition, subtraction, multiplication, division).
Formulas and Calculations
The calculator can perform basic arithmetic operations using the following formulas:
1. Addition
[ \text{Result} = N1 + N2 ]
2. Subtraction
[ \text{Result} = N1 – N2 ]
3. Multiplication
[ \text{Result} = N1 \times N2 ]
4. Division
[ \text{Result} = \frac{N1}{N2} ]
Example Calculation
Inputs:
- Number 1 (N1): 8
- Number 2 (N2): 4
- Operation (O): Addition
- Addition:
[ \text{Result} = 8 + 4 = 12 ]
Inputs:
- Number 1 (N1): 8
- Number 2 (N2): 4
- Operation (O): Subtraction
- Subtraction:
[ \text{Result} = 8 – 4 = 4 ]
Inputs:
- Number 1 (N1): 8
- Number 2 (N2): 4
- Operation (O): Multiplication
- Multiplication:
[ \text{Result} = 8 \times 4 = 32 ]
Inputs:
- Number 1 (N1): 8
- Number 2 (N2): 4
- Operation (O): Division
- Division:
[ \text{Result} = \frac{8}{4} = 2 ]
Summary
A keyboard with a built-in calculator can perform basic arithmetic operations such as addition, subtraction, multiplication, and division. For the given example with numbers 8 and 4, the results for the different operations are:
- Addition: 12
- Subtraction: 4
- Multiplication: 32
- Division: 2
- .
Table of Example Calculations
| Operation | Number 1 (N1) | Number 2 (N2) | Result |
|---|---|---|---|
| Addition | 8 | 4 | 12 |
| Subtraction | 8 | 4 | 4 |
| Multiplication | 8 | 4 | 32 |
| Division | 8 | 4 | 2 |
Conclusion
The keyboard with a built-in calculator is a handy tool for quick calculations. It allows users to perform arithmetic operations directly from their keyboard, enhancing efficiency and convenience