1. Rita Chu Bhuvan Jain Michelle Kam Dan Nguyen Vincent Sparacino Lucas Wu Captain Calculator

2. Intended Use To review and test elementary school children on their arithmetic skills + - x /

3. Captain Calculator New Game Load Game Two Players How to Play Quit Game Press to continue

4. Captain Calculator New Game Load Game Two Players How to Play Quit Game Press to continue

5. Captain Calculator New Game Load Game Two Players How to Play Quit Game Press to continue

6. New Game Enter Name Press to continue or to go back

7. New Game Enter Name Press to continue or to go back Vince

8. New Game Press to continue or to go back Select Difficulty EasyMedium Hard Easy – Addition, Subtraction and Multiplication with single digit numbers

9. New Game Press to continue or to go back Select Difficulty EasyMedium Hard Medium – Addition, Subtraction, Multiplication and division using single and double digit numbers

10. New Game Press to continue or to go back Choose Your Character

11. New Game Press to continue or to go back Choose Your Ship

12. Timer OFF Bomb Settings New Game Timer ON Bombs will automatically Fall until it hits a rock

13. Timer OFF Bomb Settings New Game Timer ON Bombs will Fall by pressing The Down key

14. New Game Press to continue or to go back Ready to Go? Name: Vince Difficulty: Medium Timer: ON

15. Instructions Press to skip 1. Try to destroy all rocks by moving the torpedo to the correct column before it falls! 2. Move your ship by using the arrow keys on your keyboard 3. If the torpedo doesn't match any equations, toss it into the trash bin! Press to continue

16. Instructions Press to skip 1. Try to destroy all rocks by moving the torpedo to the correct column before it falls! 2. Move your ship by using the arrow keys on your keyboard 3. If the torpedo doesn't match any equations, toss it into the trash bin! Press to continue

17. Instructions Press to skip 1. Try to destroy all rocks by moving the torpedo to the correct column before it falls! 2. Move your ship by using the arrow keys on your keyboard 3. If the torpedo doesn't match any equations, toss it into the trash bin! Press to continue

18. Level: 0 Player: Vince Difficulty: Medium Destroyed: 0 Press To Pause and Save Press To View Help Screen next: 5 * 42 * 312 / 4 6

19. Level: 0 Player: Vince Difficulty: Medium Destroyed: 0 Press To Pause and Save Press To View Help Screen next: 5 * 42 * 312 / 4 4 6

20. Level: 0 Player: Vince Difficulty: Medium Destroyed: 0 Press To Pause and Save Press To View Help Screen next: 5 * 42 * 312 / 4 4 6

21. Level: 0 Player: Vince Difficulty: Medium Destroyed: 0 Press To Pause and Save Press To View Help Screen next: 5 * 42 * 312 / 4 4

22. Level: 0 Player: Vince Difficulty: Medium Destroyed: 1 Press To Pause and Save Press To View Help Screen next: 5 * 412 / 4 4 2 * 3

23. Level: 0 Player: Vince Difficulty: Medium Destroyed: 1 Press To Pause and Save Press To View Help Screen next: 4 10 / 23 * 87 * 2

24. Level: 0 Player: Vince Difficulty: Medium Destroyed: 1 Press To Pause and Save Press To View Help Screen next: 9 10 / 23 * 87 * 2 4

25. Level: 0 Player: Vince Difficulty: Medium Destroyed: 1 Press To Pause and Save Press To View Help Screen next: 9 10 / 23 * 87 * 2 4

26. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 9 10 / 23 * 87 * 2

27. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 9 4 * 95 * 32 / 2

28. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 3 4 * 95 * 32 / 2 9

29. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 3 4 * 95 * 32 / 2 9

30. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 3 4 * 95 * 32 / 2 9

31. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 3 2 * 76 / 21 * 3

32. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 2 * 76 / 21 * 3 PAUSED Resume Restart Game Load Game Main Menu Quit

33. Level: 0 Player: Vince Difficulty: Medium Destroyed: 2 Press To Pause and Save Press To View Help Screen next: 2 * 76 / 21 * 3 Game Over View Summary Restart Game Load Game Main Menu Quit

34. Summary Equation You Answered Correct Answer 2 * 356 10 / 285 7 * 535 2 * 816 7 / 177

36. Summary Testing with and without users gave us a feel for what we had done right and what we had done wrong Strengthened our positives Corrected the negatives using feedback from testing

37. Change #1 Problem: No user feedback on what they answered correctly/incorrectly Fix: Added “Summary” page at end of level listing the number and types of problems answered incorrectly/correctly Design Principle: Help & Documentation

38. Problem: Support lacking for students who want to learn and not test themselves or students with learning disabilities, who need longer time between bomb drops Fix: Provide an “untimed” option that lets the user control the time at which the bomb drops Design Principle(s): Universal usability, User control & freedom Change #2

39. Problem: Lack of color made it less lively and less like a computer game Fix: Added more color to the game and made the characters more expressive, with emotions Design Principle: Aesthetic and minimalist design Change #3

40. Problem: Lack of documentation on what the trash option meant Fix: Added an instruction side before the game play screen start that told the user what it meant Design Principle: Help and Documentation Change #4

41. - The users enjoyed the aesthetic style of the game: characters, vehicles, layout, etc. (Aesthetic and minimalist design) - They understood most aspects of the game without going through the tutorial (Consistency and Standards - They enjoyed the ability to choose their characters and vehicle (User control and freedom) Positives