Showing posts with label Factorial Number Converter in Ruby. Show all posts
Showing posts with label Factorial Number Converter in Ruby. Show all posts

Wednesday, July 10, 2019

Factorial Number Converter in Ruby

Write a program that will ask the user to give integer number and then the program will compute the factorial value of the given number and display the results on the screen using methods.

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Sample Program Output


Program Listing

factorial.rb

# factorial.rb
# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT
# Date     : June 19, 2019  Wednesday   8:40 AM  
# Address  : Bacolod City, Negros Occidental
# Tools    : Sublime Text and Ruby Version 2.6.3
# Location : Bacolod City, Negros Occidental  
# Website  : http://www.jakerpomperada.com
# Emails   : jakerpomperada@gmai.com and jakerpomperada@yahoo.com

def factorial(n=0)
  (1..n).inject(:*)
end

print "\n\n";
print "\tFactorial Number Converter";
print "\n\n";
print "\tGive a Number : ";

num_val = gets.to_i;

solve= factorial(num_val);

print "\n";
print "\tDISPLAY RESULTS"
print "\n\n";
print("\tThe factorial value of #{num_val} is #{solve}.");
print "\n\n";
print "\tEnd of Program";
print "\n";