College Board AP Principles

Online Compiler JDoodle

Click here to compile and run you java program.

I will rotate thru the class.
When you are not at the board, you will need to be working on your code high school.

We will be covering/reviewing computer math.

Click here to review my notes counting in computer math.

Counting Systems - table to 32 decimal - click here.

• Binary counting
• Octal counting
• Hexadecimal counting

Click here to review my notes on adding and subtracting in computer math numbers.

Adding - Click on links below for sample problem.

• Adding Binary
• Easy Practice Problems Bin 100 - Click here
• Hard Practice Problems Bin 500 - Click here
• Adding Octal
• Easy Practice Problems Oct 100 - Click here
• Hard Practice Problems Oct 500 - Click here
• Adding Hexadecimal
• Easy Practice Problems Hex 100 - Click here
• Hard Practice Problems Hex 500 - Click here

Subtraction - Click on links below for sample problem.

• Subtraction Octal
• Easy Practice Problems Oct 200 - Click here
• Hard Practice Problems Oct 600 - Click here
• Subtraction Hexadecimal
• Easy Practice Problems Hex 200 - Click here
• Hard Practice Problems Hex 600 - Click here

2 Complement for Binary Substraction.

• Click here to explain 2's Complement
• 2's Complement - Click to to review my notes.
• Practice Problems - Click here

• Computer Math Conversion. Click here
• binary (base 2)
• Easy Practice Problems Bin 300 - Click here
• Hard Practice Problems Bin 700 - Click here
• octal (base 8)
• Easy Practice Problems Oct 300 - Click here
• Hard Practice Problems Oct 700 - Click here
• hexadecimal (base 16)
• Easy Practice Problems Hex 300 - Click here
• Hard Practice Problems Hex 700 - Click here