I am looking to be able to compare a number with a letter so for example 4c and compare it with another 5c and in that scenario see a difference of 1 but when the two to be compared are 4c and 4a it would see 0.6.in this excersize A=0.33333RB=0.33333RC=0.33333Rit is basically sub category of the initial number so an A is better than a B and in tern a B is better than a C for example Targeted Worki