"Making Medicines: A Brief History of Pharmacy and Pharmaceuticals".Pharmacy information systems are a potential source of valuable information for pharmaceutical companies as it contains information about the prescriber's prescribing habits.

26 Modern prescriptions are actually extemporaneous prescriptions (from the Latin ex tempore at/from the time 27 meaning that the prescription is written on the spot for a specific patient with a specific ailment.It is sometimes transliterated as "Rx" or just "Rx".

These include: Careful use of decimal points to avoid ambiguity: Avoiding unnecessary decimal points: a prescription will be written as 5 mL instead.0 mL to avoid possible misinterpretation.0.Different jurisdictions follow different conventions on what is abbreviated or not.