Total += amount
If your language does not support that, just use
total = total + amount
Computers are the excellent means for storage of patient related data.It is often necessary to maintain detailed records of the medical history of patients. Doctors often require the information about a patient's family history, physical ailments, already diagnosed diseases and prescribed medicines.
function is the right answer because function is a block of code designed to perform a particular task
Carpel Tunnel syndrome, is what it is called in the USA
Hope it helped!