 I am now thinking up my next exercise (??) but felt that so much credit is due to a number of people on this forum.  Your time is appreciated.
   I am now thinking up my next exercise (??) but felt that so much credit is due to a number of people on this forum.  Your time is appreciated.As a side note I inserted an 'on mouseEnter' into the left field so that the far right hand field (result) would look nicely empty when the user (my wife) inserts her next digit. I originally coded it with an 'on mouesDown' with the number 1 - as given in the dictionary but for some reason this failed. maybe I misunderstood its purpose here?
Anyway, time now to devise a new headache for myself...Mmm...



 
 