krisanapong detraphiphat / Getty Images In the financial world, the Black-Scholes and the binomial option valuation models are two of the most important concepts in modern financial theory.

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise.

Assorted math functions, including linear interpolation, list operations (sums, mean, products), convolution, quantization, log2, hyperbolic trig functions, random ...