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Table of Contents

4. Standard Units

4.45. Math - Extended Mathematics unit

4.45.2. Math Unit Procedures and Functions

4.45.2.60. Syd function

## 4.45.2.60. Syd function

**Targets: MS-DOS, OS/2, Win32**

Math Unit

Returns the sum of the year digits depreciation.

**Declaration:**
**function** Syd(InitialValue,
Residue: Extended;
Period,
Time: DWord): Extended;

**Remarks:**

The *Syd* function calculates depreciation amounts
for an asset using an accelerated depreciation method.
This allows for higher depreciation in the earlier years
of an asset's life. *InitialValue* is the initial
cost of the asset. *Residue* is the value of
the asset at the end of its life expectancy. *Time*
is the length of the asset's life expectancy. *Period*
is the period for which to calculate the depreciation.

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