Excellent calculator. The standard in the industry.

This calculator is THE calculator to buy, without exception, if you are a finance professional, be it investment banker, management consultant, venture capitalist, bond trader, whatever.

Learn how to use the reverse polish notation. It's useful. For example, with RPN it's quite easy to apply a fractional exponent to a fraction (e.g. when doing a present value calculation manually), whereas without RPN you would need to store a result in memory or write it down to do the full calculation.

The HP 12C is the hallmark of a finance professional. The brand value alone of having this calculator is worth it's purchase price.