To do this calculation in excel, Type =SLN(cost, salvage, life) into a cell, and press enter. Bonus depreciation is a federal tax deduction that allows businesses to immediately deduct a large percentage of the purchase price of eligible assets.We require Depreciation Calculator in Excel as per Companies Act,2013. In this article, we will learn everything about depreciation as per the Companies Act, 2013, and the methods for determining it. ABCAUS Excel Depreciation Calculator FY 202324 under Companies act 2013 latest version 05.18 download. Prepared as per Schedule-II. 5, Edit the information in columns B through G. See the link above for more information about using this template.