1. Write a program which stores integers as strings, up to a digit length of 50. It should allow the input of two such strings, and provide buttons to select addition or subtraction. (Hint: recall how...

1. Write a program which stores integers as strings, up to a digit length of 50. It should allow the input of two such strings, and provide buttons to select addition or subtraction. (Hint: recall how you were taught to add numbers by hand.) Provide multiply and divide buttons, and implement these features by repeated addition or subtraction.

2. The value of s is sition.