percerr.rb (463B)
1 #!/usr/bin/env ruby 2 3 puts "Welcome to the Percent Error Calculator." 4 print "What is your estimated value? >> " 5 estimated=gets.chomp.to_f 6 print "What is your measured value? >> " 7 measured=gets.chomp.to_f 8 9 if estimated>measured 10 err=estimated-measured 11 else 12 err=(estimated-measured)*-1 13 end 14 15 puts "Your error is " + err.to_s + "." 16 17 percerr=(err/measured)*100 18 19 puts "Your percent error is " + percerr.to_s + "%." 20 puts "Rounded, this is " + percerr.round().to_s + "%."