Yea,
Bank Discount yield: Discount/ Face Value x (360/t)
aside from that one, always calculate the HPY which is (Accumulated Value/ Beginning Value)-1
When you have the HPY you can get the others:
HPY x (360/t) is the MMY (just the holding period yield annualized 360 without compounding)
(1+HPY)^365/t is the EAY (the holding period yield annualized 365 days WITH compounding)