class Calculator
Public Class Methods
add(opl, opr)
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# File lib/zhalo_calculator.rb, line 3 def self.add(opl, opr) sum = opl.to_i + opr.to_i "result: " + sum.to_s end
commands()
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# File lib/zhalo_calculator.rb, line 23 def self.commands() "available commands: add subtract multiply divide" end
divide(opl, opr)
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# File lib/zhalo_calculator.rb, line 18 def self.divide(opl, opr) result = opl.to_i / opr.to_i "result: " + result.to_s end
multiply(opl, opr)
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# File lib/zhalo_calculator.rb, line 13 def self.multiply(opl, opr) result = opl.to_i * opr.to_i "result: " + result.to_s end
subtract(opl, opr)
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# File lib/zhalo_calculator.rb, line 8 def self.subtract(opl, opr) diff = opl.to_i - opr.to_i "result: " + diff.to_s end