HP 20b Consultant Financial manual Depreciation Description Method, Soyd

Depreciation

Brief descriptions of the methods used to calculate depreciation are provided in Table 8-1. Table 8-2 describes the items found in the depreciation sub-menus. For an example calculating depreciation using the straight-line method, see Table 8-3.

Table 8-1Depreciation Methods

Depreciation	Description
Method
Sline	Straight line is a method of calculating depreciation
	presuming an asset loses a certain percentage of its value
	annually at an amount evenly distributed throughout its
	useful life.
SOYD	Sum-of-the-years' digits is an accelerated depreciation
	method based on the idea that the years of an asset's
	useful life are divided by the sum of the years counting
	backwards. For example, a five year useful life would be
	shown as 5 + 4 + 3 + 2 + 1= 15. Press 4 /15, then
	press =to return a 27% depreciation for the first year.
	In RPN, press 4 I15 /.

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