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DDB

Financial

Double-declining-balance depreciation.

Syntax

DDB(cost, salvage, life, period, [factor])

Full notes for DDB are still being written. Use the AI explainer below for the arguments, a worked example and common mistakes.

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Syntax follows Microsoft’s documentation. Examples are written to be pasted into a cell and checked. Argument separators may be ; in your locale. The AI explainer runs on a free community model — verify anything important.