What is an HP 10b calculator?

The HP 10b is a financial calculator produced by Hewlett-Packard, designed specifically for business and finance professionals. It is part of HP's 10b series, which includes several models like the 10b, 10bII, and 10bII+. These calculators are known for their functionality in handling various financial calculations with ease, including but not limited to time value of money calculations, interest rates, loan payments, percentages, and cash flow analysis. The HP 10b and its successors are widely used in finance, real estate, accounting, and business courses for their reliability, durability, and comprehensive financial capabilities, making them a staple tool for professionals and students in these fields.