Numbers

Dictionary definition of a number:

“An arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations” - Oxford dictionary

Table of Contents

1. Number systems
2. Number types
   • Natural numbers
   • Integer numbers
   • Rational numbers
   • Irrational numbers
3. Number bases
   • Counting in binary, decimal and hexadecimal
   • Place values
   • Units of binary
   • Multiples of bytes and bits
   • Bytes and hexadecimal
   • Numbers with a fractional part
   • Floating point form
   • Unsigned decimal representation
   • Research task
4. Information coding systems
5. Error checking and correction
6. Bitmap graphics