Numbers
- Units of Measure (binary, decimal)
- Number Systems (binary, decimal, hexadecimal)
- Number Conversions (binary, decimal, hexadecimal)
- Other
- Addition and Multiplication Tables in Various Bases from Interactive Mathematics Miscellany and Puzzles
- What do you need to know for the exam?
- Can you count to 20 (decimal) and give the euquivalents in binary and hexadecimal?
- Who/what uses the binary numbering system?
- What is the hexadecimal (HEX) number for red, for green, for blue, for white, for black?
RGB color model - Wikipedia - "The main purpose of the RGB color model is for the sensing, representation, and display of images in electronic systems, such as televisions and computers, though it has also been used in conventional photography."
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- Conversion Chart | Decimal / Hexadecimal / Binary / ASCII / EBCDIC
- You Can Count on Pi | WIRED
- Avogadro's number = 1023 - October 23 = Mole day
- Euler's number = 27 - February 7 = eDay
- Pi = (circumference of a circle) ÷ (diameter of the circle) ~= 22÷7 ~= 3.14... - March 14 = Pi day
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