What is the corresponding periodic rate
A composite periodic analog signal is composed of multiple sine waves. The figure-1 depicts typical composite periodic signal. The frequency is rate of change with respect to time. The frequency and period are inverse of each other. Hence following can be implied. ➤ f = 1/T and T = 1/f, The units such as seconds (s), The formula for calculating interest expense from the APR is: Total Credit Card Interest for Month = Balance x Daily Periodic Rate x Number of Days in Billing Cycle. Here we explain the four possible types of APRs on your credit card, and how they affect the interest expense you pay on your monthly credit card bills.