Arithmetic+calculator

**Specification: Arithmetic Calculator**
Write a program which will accept as input:
 * 2 numbers

The program should offer the following 4 arithmetic options: 1. Addition 2. Subtraction 3. Multiplication 4. Division

Input Process Output

 * Inputs:** 2 numbers

1. **Add the 2 numbers 2. Subtract the 2 numbers 3. 4.
 * Process:

1. The sum of the 2 numbers 2. 3. 4.
 * Outputs:**

Algorithm
1. get number1 2. get number2 3. answer = number1 + number2 4. display answer
 * Add button**

1. get number1 2. get number2 3. answer = number1 - number2 4.
 * Subtract button**

1. get number1 2. get number 2 3. answer = number1 * number2 4.
 * Multiply button**

1. 2. 3. 4.
 * Divide button**

**The Task**
1. Copy and complete the inputs, processes and outputs for all 4 arithmetic operations 2. Copy and complete the screen design 3. Copy and complete the algorithms 4. Write the program