Final answer:
The option 'Order entry' is not a typical function of practice management software, which is used in medical offices for various administrative tasks.
Step-by-step explanation:
The question "Which of the following is not a function of practice management software?" pertains to the applications and features of practice management software, which is used in medical offices and clinics to organize administrative tasks.
Among the options given, Appointment books, Patient ledger, and Day sheet are typical functions of practice management software. These modules help in scheduling patient appointments, tracking financial transactions, and recording daily business activities, respectively. Deposit slips may also be generated through practice management software for banking purposes. However, Order entry is typically not a function of practice management software as it is more commonly associated with systems designed for inventory management and purchasing.