Can you write it down on paper instead of doing it in excel?

Consider the US floating-rate bond whose coupon rate is set equal to the 6-month US$ Libor rate y_L6 at the beginning of every coupon period (reset date) and whose maturity value is 100. Calculate its price one coupon period before maturity, two coupon periods before maturity, n coupon periods before maturity (n is an integer).