You can use the above formula to answer questions here I think its epr finding not totally sure

If the stated annual rate of interest compounded semi-annually is 12.5% then what is the equivalent:

a) Semi-annual rate compounded semi-annually

b) Annual rate compounded quarterly

c) Annual rate compounded continuously

d) 30 day rate compounded every 30 days

e) Annual rate compounded weekly (use n = 7/365)

1st.:2nd.:Or:EAR=(1+r/m)m1EPR=(1+EAR)(1/s)1EPR=(1+r/m)(m/s)1