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Prolog program to find factorial of given number

Posted By: Milind Mishra     Category: Artificial Intelligence     Views: 19147

Prolog program to find factorial of given number.

Code for Prolog program to find factorial of given number in Artificial Intelligence

predicates
    start
    find_factorial(real,real)

goal
    clearwindow,
    start.

clauses
    start:-
        write("Enter non negative number = "),
        readreal(Num),
        Result = 1.0,
        find_factorial(Num,Result).

    find_factorial(Num,Result):-
        Num <> 0,
        NewResult = Num * Result,
        NewNum = Num - 1,
        find_factorial(NewNum,NewResult).
        
    find_factorial(_,Result):-
        write("Factorial = ",Result),nl.
  
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Milind Mishra
Milind Mishra author of Prolog program to find factorial of given number is from India.
 
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