Rational calculator is designed for operations with rational numbers. A rational number is an ordered pair of integers called nominator and denominator. In this calculator the pair is denoted as N/D .In this calculator sign has only nominator. The sign also can be considered as a general sign for rational number. Denominator has no sign.
Integers are a subset of rational numbers. For example, 5 is the same as 5/1 .
The special cases are 1/0 = plus infinity, -1/0 = minus infinity, 0/0 = uncertainty. For example, (9-4)/(3-3)=5/0=1/0 .
Rational Calculator is a component of Math Center Level 2 .
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