Challenge 2015-03

Text Challenges

1. Write a program to CAPITALISE the first letter of each word in a sentence.
2. Write a program the center some text in the GraphicsWindow or in the TextWindow.

Graphics Challenge

• Write a program to draw a spriagraph picture.

Math Challenges

1. Write a program to validate a credit card number, see this link.
2. Write an equation solver that can solve the following two simultaneous equations for x an y when the user enters the coefficients A, B, C and D, E, F.
   Ax + By = C and Dx + Ey = F

Game Challenge

• Write a battleships game.
  You will need to consider how it will work with 2 players or play against the computer.

Community Suggestion

1. By Nonki – Draw a picture of doll[s].
2. By Coding Cat – Easy: A real time countdown lock.
3. By Coding Cat – Hard: Using the countdown clock as a theme for a game.