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Den

denominator
Syntax 

Den(N:INT or RAT):INT
Den(N:POLY or RATFUN):POLY

Description
These functions return the numerator and denominator of N. The numerator and denominator can also be found using .Num and .Den (fragile).

Example 
  Den(3);
1
-------------------------------
  Den(x/(x+y));
x + y
-------------------------------
  X := 2/3;
  X.Num; X.Den;
2
-------------------------------
3
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See Also