Syntax: @SYD(C, S, L, P)
C = cost
S = salvage value
L = allowable life
P = the period for which the depreciation allowance is being calculated
@SYD returns the ``sum-of-years-digits'' depreciation allowance given cost C, salvage value S, allowable life L, and depreciation period P. The function is given by:
Examples:
@SYD(5000, 1500, 15, 14) = 58.333
@SYD(S10, S9, 20, 2) = 9.048, where S9 = 400 and S10 = 500
@SYD(2500, 750, 0, 5) = Error - ``Life'' must be > 0