hi，I am new to lime survey , I have a problem when i use the survey .
my questions :

i use array text questions type ,like attach picture .
i set x+y+z =100 , the total show 100 ,
when i put x and y , the value of z will been auto calculated

thank you ~

i have searched the forums for key word "array" "sum" "total",

i have no idea for js , Dose it have to use js to solve the problem ?

done ..

Would you mind posting your solution?