A number without fractions; an integer.
- The decimal point separates the whole numbers from the fractions or parts of numbers and so every number has a decimal point, whether we show it or not.
- For example, the sequence of all squares and cubes of whole numbers begins with the integers 4, 8, 9, 16, 25, 27, and 36.
- Column addition was performed on whole numbers and then on fractions.
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