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Challenge 2013-10

Curriculum Challenges 2.4

  1. Play Jingle Bells with the Sound object (Sound object)
  2. Read and Save a set of musical notes to a file that can be played (Program and File objects).
  3. Save the notes in a format of your choice that can be modified outside Small Basic (Text object).
    The program must be able to read this format and convert to variables that can be played using the Sound object.

Maths Challenges

  1. (Easier) Write a program to calculate the mean, mode and median of a set of integers.
    Try to make it as efficient as possible.
  2. (Harder) I have 12 steps, and I can go down them in steps of 1 or 2.
    How many different ways could I go down the steps.
    For example I could take

    • 12 single steps (1-1-1-1-1-1-1-1-1-1-1-1) ,
    • 6 double steps (2-2-2-2-2-2),
    • 1-2-2-1-2-1-1-2
    • or any other combination.

Graphics Challenges

  1. Draw a pizza with lots of toppings – you could let the user select and add their choice of topping.
  2. Make a fancy graphical progress bar that updates using the Timer.

Text Challenges

  1. (Easier) Write a program to read the day, month and year from a user and write it out to the TextWindow, formatted in nice colours.
  2. (Harder) Write an email verification program.

 The email address must:

    • Start with a string of alphanumeric characters
    • followed by the @ symbol
    • another string of alphanumeric characters
    • followed by a “ . ”
    • then a string of alphanumeric characters.

a@b.c and ab23@f45.d3 are both valid
but @bc.d and 123.c@cvb are not valid

Physics Challenge

Write a program that realistically floats a cube on some water if the user enters the density of the cube.
Assume the water has density 1000 kg/m3.
If you want it harder, do it also for a sphere (Hint).

Game Challenges

  1. (Easier) Write a estimate the time interval game.
    When the user presses a START button the program will display a time in seconds (5 to 15 seconds).
    The user then must estimate when the time is up and press a STOP button.
    If they are within 1 second they get a point.
  2. (Harder) Make a Puzzle Bobble game.

Community Suggestions

by Papa Lapup

Some tougher challenges for you to work on – perhaps contribute discussions on these challenges to help each other.

For TextWIndow (TW)

  1. Show a simple graph for a simple function (with value table) in TW with eg. ‘*’ or ‘.’ Regular coord system can be 90° rotated. (perhaps more easy).
    Ymin and Ymax should fit in width of TW then (within choosable limits Xmin and Xmax). eg TWGraph.exe “f(x)” Xmin Xmax
  2. Write a simple Month Calendar in TW (Sample Img in vbs but should also be possible in SB)


For GraphicsWindow (GW)

  1. Once saw a fascinating and surprising animation of an useless mechanical chain reaction in a kind of alchemy laboratory or witch kitchen background, which should be possible in SB (for advanced users) I think with simpler objects (domino, seesaw, coil spring, inclined plane, pendulum, free fall, etc).
    Why do something the simple way if it’s also possible complicated and tedious?
    Rube Goldberg machine (Rube Goldberg machine or Rube Goldberg)
  2. Write a flat-directory viewer for selectable folder (e.g. Subs in IE-Cache in LocAppData\Microsoft\Windows\Temporary Internet Files\Content.IE5) and show only SubDirName\File.ext in MultiLineTextBox line by line.
    Unfortunately no Ext allowed, but can later be replaced with eg.
    LDListBox to select file and perform action on it.

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