C#

1. Accept inches from user and display the equivalent centimeters

2. Write a program to take a number and display highest factor for that number.

3. Write a program to take a series of numbers from user and display the highest of all the numbers.

4. Create a function that takes an array and returns the first two highest numbers.

5. Create a function that takes two numbers and returns the highest common factor.

6. Declare an array of 10 elements. Read values from user and insert them into array. Display how many values are in the array are positive, negative and zeros.

7. Accept a number on the command line and display whether it is a strong number.

8. Create a function that a number by value and returns smallest and largest factors of the number through pass by reference.