class Algebra::Common
Public Class Methods
factorial(number)
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# File lib/einstein.rb, line 4 def self.factorial(number) if(number==0) return 1 else return number*factorial(number-1) end end
sum(*numbers)
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# File lib/einstein.rb, line 12 def self.sum(*numbers) total=0 numbers.each{|n|total+=n} total end