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Natural number - Positive whole number. Counting number. See Integer.
Negative number - A number with a value less than zero. A number preceded by a negative sign. There is a difference in definition between a negative sign and a subtraction operator but in applications they are interchangable as one can be transformed into the other. See Positive number.
Numerator - The top part of a fraction. When changing a fraction to a decimal, the dividend, the number to divide. See denominator.
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Last updated 6/2/97 - 4/25/2000.