An act of performing surgery may be called a surgical procedure, operation, or simply surgery. In this context, the verb operate means to perform surgery. The adjective surgical means pertaining to surgery; e.g. surgical instruments or surgical nurse.
My definition: Pro rata, when it comes to jobs, generally refers to pay. Say the salary is '$40,000 per annum-pro rata', it will mean that if you only work part time, you get part of the pay.A standard week is (about) 40 hours, so the pay for 20 hours will be $20,000 per annum.y definition: Pro rata, when it comes to jobs, generally refers to pay. Say the salary is '$40,000 per annum-pro rata', it will mean that if you only work part time, you get part of the pay.
Step 4. Multiply the pro rata weekly wage by the number of weeks the part-time or short-term employee works in a year. If the part-time employee only works 36 weeks, multiply 36 times $375 to calculate a $13,500 pro rata annual salary.tep 3. Multiply the hourly wage by the number of weekly hours worked by a part-time or short-term employee. If the part-time employee works 20 hours per week, multiply 20 times $18.75 to calculate the pro rata weekly wage of $375. Step 4.