The simple moving average is like the arithmetic mean which is calculated by keeping the closing price of the forex stock and dividing it by the total number of periods that are being considered. (pacforex.com)
Rather than being restricted by artificial constraints (Carnegie units, a fixed number of periods in a day), schools should be able to adjust the length and configuration of the school day and year, as well as plan for alternative uses of time within the school day, to meet the needs of all students. (ascd.org)
P = price of the bond n = number of periods C = coupon payment r = required rate of return on this investment F = maturity value t = time period when payment is to be received (sapling.com)