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Inventory means the raw materials, work in process goods and completely finished goods that are considered to be the portion of a business s assets that are ready or will be ready for sale. The classic inventory problem involves determining how much of a resources to acquire, either by purchasing or producing it, and whether or when to acquire it to minimize the sum of costs that increase with the size of inventory and those that decrease with increase in inventory. In this book we present some inventory model with deterioration and other effects. The governing differential equations have been solved by Newton-Raphson method. The content of this book is applicable to defence, industries and the researchers, working in the field of inventory.

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The author, Vibhor Tomer was born on 31th Dec, 1983 at Baraut, U.P., India. He completed M.Sc. degree in Mathematics from CCS University Meerut (India) in 2006 and M.Phil. degree in Mathematics from CIMS Meerut in 2008. From 2011, author is pursuing Ph.D. degree in Mathematics from the G.B. Pant University of Ag. & Tech., Pantnagar, U.K. (India).

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