The depreciation spreadsheet allows you to record all your assets purchased during a tax year and depreciate them in one workbook.
It can be used to calculate depreciation deduction on assets placed in service during the year and complete IRS Form 4562 Depreciation and Amortization.
You would be able to track your long-term assets together as well as the depreciation deduction claimed on them over the years for your business record.
You would be able to know when you are done claiming depreciation on any asset in your business.