Returns the depreciation of an asset for any period you specify, including partial periods, using the double-declining balance method or some other method you specify.
| Name | Type | Description |
| arg1 | number | Is the initial cost of the asset. |
| arg2 | number | Is the salvage value at the end of the life of the asset. |
| arg3 | number | Is the number of periods over which the asset is being depreciated (sometimes called the useful life of the asset). |
| arg4 | number | Is the starting period for which you want to calculate the depreciation, in the same units as Life. |
| arg5 | number | Is the ending period for which you want to calculate the depreciation, in the same units as Life. |
| arg6 | number | Is the rate at which the balance declines, 2 (double-declining balance) if omitted. |
| arg7 | boolean | Switch to straight-line depreciation when depreciation is greater than the declining balance = FALSE or omitted; do not switch = TRUE. |