Arithmetic
  • The Decimal System - is based on ten whole numbers, often called integers, from 0-9.
    • With the addition of a negative (-) sign, numbers small than ten can be indicated.
    • Fractions - describe quantities that fall between whole numbers.
      • Common Fractions - are used when the space between two integers id divided into equal segments such as fourths.
      • Decimal Fractions - are used to divide the space between integers by ten segments.
  • The Binary System - a number system based on only two digits that's used in electronic calculations.
    • The base two numbers used are only 0 and 1.
Binary Numbers
Decimal Number 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 Binary Number
1 0 | 0 ..0 ..0 ..0 ..0 ..0 ..1 1
2 ..0 ..0 ..0 ..0 ..0 ..0 ..1 ..0 10
3 ..0 ..0 ..0 ..0 ..0 ..0 ..1 ..1 11
4 ..0 ..0 ..0 ..0 ..0 ..1 ..0 ..0 100
5 ..0 ..0 ..0 ..0 ..0 ..1 ..0 ..1 101
27 ..0 ..0 ..0 ..1 ..1 ..0 ..1 ..1 11,011
48 ..0 ..0 ..1 ..1 ..0 ..0 ..0 ..0 110,000
92 ..0 ..1 ..0 ..1 ..1 ..1 ..0 ..0 1,011,100
117 ..0 ..1 ..1 ..1 ..0 ..1 ..0 ..1 1,110,101
168 ..1 ..0 ..1 ..0 ..1 ..0 ..0 ..0 10,101,000
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