Question

Convert the following infix notation to postfix form.

(P + Q * R - S)/T * U

Answer 1

(P + Q * R - S)/T * U
= (P + QR* - S)/TU*
= (P + QR* S-)/TU*
= (PQR*S-+)/TU*
= PQR*S-+TU*/

1. Order of precedence as per BODMAS rule:
   ()
2. *, /, % Same precedence, but the order of operation is left to right
3. +, - Same precedence, but the order of operation is right to left