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4.2.2 Rationals
***** NOT YET UPDATED TO CoCoA-5: follow with care *****

Rational numbers can be entered as fractions or as terminating decimals. CoCoA always converts a rational number into a fraction in lowest terms.

Example
  3/5;
3/5
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  3.8;
19/5
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  N := 4/8;
  N;
1/2
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