1. Final Exam on 6/20

2. Input the entries of a matrix in an editbox.
When the button is clicked, it calculates the number of rows and columns, and automatically shows the missing entries as 0.

3. Input the entries of a matrix in an edit box.
Use the radio buttons to choose whether you want to find the value of the maximum or minimum entry.
When you click the button, the program shows the value.

4. Use radio buttons to select which operation you want to perform.
Input the numerator and denominator of two rational numbers.
Press the button to calculate the result. Don’t forget to reduce the rational number before you print out the result.

5. Matrix Transpose

6. Write a program to perform the encryption of Caesar Cipher.
The valid key values are between 1 and 25, which can be selected from a list box.