Spread.NET 17 Formula Reference
Formula Functions / Functions D to G / DDB
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    This function calculates the depreciation of an asset for a specified period using the double-declining balance method or another method you specify.




    This function has these arguments:

    Argument Description
    cost Initial cost of the asset
    salvage Value at the end of depreciation
    life Number of periods over which the asset is being depreciated
    period Period for which you want to calculate the depreciation in the same units as the life argument
    factor [Optional] Rate at which the value declines; if omitted, the calculation uses 2 (double-declining method)

    All arguments must be positive numbers.


    This function uses the following calculation for depreciation for a period:

    cost – salvage(total depreciation from prior periods) x factor/life

    Data Types

    Accepts numeric data for all arguments. Returns numeric data.




    DDB(500000,5000,5,1,4) gives the result $40,0000

    Version Available

    This function is available in product version 1.0 or later.

    See Also

    DB | SYD | Financial Functions