lol ok mate, open iwatchr, calculator, custom
Press configure
Then start typing in your fields, it should look like this
field1 /10.99
+
field2 /9.17
+
field3 /3.89
+
field4 /34.48
Half point rounding off
Once this is configured it should give you the option to rename the values fields, make sure they are in this order:-
Protein
Carbs
Total Fat
Fibre
Then it should work hun xx