In this Ruby example to calculate factorial of a number we are using while loop puts "Enter the number" i = 1 while i <= num #implementation of while loop puts "The factorial of #{num} is #{fact}" Output Enter the number
num=gets.chomp.to_i
fact = 1
fact *= i
i += 1
end
5
The factorial of 5 is 120
How to Get Input with Gets in Ruby
Program to Print Triangle of Numbers in Ruby
What are #method_missing and #send? Why are they useful?
how to create an array with Array.[](*args) in Ruby ?
Ruby program to add two integer numbers
How to Replace array elements in Ruby?
How to create two dimensional array in ruby?
What's the difference between a lambda, a block and a proc?
Ruby program to print an array
Creating Array with Array.new(size, obj) in Ruby
What are some of your favorite gems? What are their alternatives?
What are the various Ruby runtimes, and how are they different?
Ruby program to check whether the given number is prime or not
How to get index of array element in Ruby
How to Sort Array in Ruby?
How to add/remove elements to Array in Ruby?
Ruby program to reverse a string
How to shuffle an array in Ruby?
Ruby program to print Fibonacci series
Ruby program to Calculate the factorial of given number
Ruby program to check whether the given number is palindrome
Ruby program to check whether the given number is Armstrong
Ruby program to generate random numbers