Cost basis is the original purchase price of an asset. Tracking cost basis is key to tax-efficient investing. Many, or all, of the products featured on this page are from our advertising partners who ...

Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

ABSTRACT: Offshore heterogeneous conventional heavy oil reservoirs are mostly developed with irregular area injection-production well patterns. During the high water-cut stage, the problem of uneven ...

Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology on contemporary arts and culture.

Residual value is the estimated value of an asset at the end of its useful life. It's used to figure out things like the value of a car at the end of a lease or how much equipment is worth after it's ...

Perpetual bonds have no maturity date, allowing them to pay interest indefinitely, making them appealing for long-term income. They come in different types, such as government and corporate bonds, ...

Abstract: The search for optimal control is possible using numerical iterative algorithms based on the Pontryagin maximum principle. This approach involves repeated calculation of the gradient of the ...