Program for pascals triangle in ruby

Ruby Program for pascals triangle. Here mentioned other language solution.

#  Ruby program 
#  for printing Pascal's triangle patterns

#  Printing Pascal's triangle patterns by number of rows
def pascalTriangle(row) 
	#  Loop controlling variables
	i = 0
	j = 0
	k = 0
	i = 0
	#  Loop from 0..n
	while (i < row) 
		j = i + 1
		#  Print initial white space
		while (j < row) 
			#  include space
			print("\t")
			j += 1
		end

		j = 0
		#  Print resultant value
		while (j <= i) 
			if (j == 0 || i == 0) 
				#  Set initial values
				k = 1
			else
 
				#  Pascal's triangle number calculation
				k = k * (i - j + 1) / j
			end

			#  Display the value of calculate number
			print("\t", k.to_s ,"\t")
			j += 1
		end

		#  Include new line
		print("\n")
		i += 1
	end

	#  Include new line
	print("\n")
end

def main() 
	#  Test
	#  When Row : 6
	pascalTriangle(6)
	#  When Row : 10
	pascalTriangle(10)
end

main()

Output

						1	
					1		1	
				1		2		1	
			1		3		3		1	
		1		4		6		4		1	
	1		5		10		10		5		1	

										1	
									1		1	
								1		2		1	
							1		3		3		1	
						1		4		6		4		1	
					1		5		10		10		5		1	
				1		6		15		20		15		6		1	
			1		7		21		35		35		21		7		1	
		1		8		28		56		70		56		28		8		1	
	1		9		36		84		126		126		84		36		9		1