Question

Write a pseudocode to calculate the factorial of a number (Hint: Factorial of 5, written as 5! = 5 × 4 × 3 × 2 × 1).

Answer 1

INPUT number

SET factorial := 1, i := 1

WHILE i <= number DO

     COMPUTE factorial := factorial * i

     INCREASE i by 1

END LOOP

PRINT factorial