lab19: init

lab19/conversion.rb

@@ -0,0 +1,25 @@
+def conversion_chart(from_units, to_units, values)
+  puts "#{from_units}\t#{to_units}"
+  left_line = right_line = ""
+  from_units.length.times { left_line += '-' }
+  to_units.length.times { right_line += '-' }
+  puts "#{left_line}\t#{right_line}"
+  for val in values
+    converted = yield val
+    puts "#{val}\t#{converted}"
+  end
+  puts
+end
+
+celsius_temps = [0,10,20,30,40,50,60,70,80,90,100]
+conversion_chart("C", "F", celsius_temps) {|cel| cel * 9 / 5 + 32}
+
+fahrenheit_temps = [0,10,20,30,40,50,60,70,80,90,100,110,120,130,140,150,160,170,180,190,200 ]
+conversion_chart("Fahr.", "Celsius", fahrenheit_temps) {|fahr| (fahr-32) * 5 / 9 }
+
+
+conversion_chart("Km", "Miles", (1..10)) do |km|
+  mile = 0.621371 * km
+end
+
+