Upgrading in progress...

Come on!~
Guys, I need help here!!!
Following are the short courses I wish to take!

Please advice me!!!
Four Courses...
1) Fundamentals of Computing
2) Practical Electronics
3) Mechanics for Scientists and Engineers
4) Introduction to Engineering Thermodynamics

Fundamentals of Computing - $275 consist of-
1.Computers: Tools for an Information Age.
2.Operating Systems Software in the BackgroundComputer Software: Application Software.
3.The Central Processing Unit: What Goes on Inside the Computer.
4.Input and Output: The User Connection.
5.Storage and Multimedia: The Facts and More.
6.Networking: Computer Connections.
7.The Internet: A Resource for All of Us Programming and Languages: Telling the Computers What to Do

Practical Electronics - $220 consist of-
1. Decision Making Applications.
2. Memory and Counting Applications


Mechanics for Scientists and Engineers - $385
Physics and Measurement.
Motion in One Dimension.
Vectors.
Motion in Two Dimensions.
The Laws of Motion.
Circular Motion and Other Applications of Newton's Laws.
Energy and Energy Transfer.
Potential Energy.
Linear Momentum and Collisions.
Rotation of a Rigid Object about a Fixed Axis.
Angular Momentum.
Static Equilibrium and Elasticity.
Universal Gravitation


Introduction to Engineering Thermodynamics - $220
Unit 1 : Introductory concepts of thermodynamics.
Unit 2 : State postulate, temperature and the Zeroth Law.
Unit 3 : Concept of a pure substance and phase changeprocesses.
Unit 4 : Property tables and the ideal gas equation of state.
Unit 5 : Heat and work.
Unit 6 : First law of thermodynamics and its application.