Cheng, R. , Liu, J. , Hao, L. and Wu, D. (2026) On the Application of the Infinitesimal Method to Two Categories of Problems in College Physics. Open Journal of Social Sciences, 14, 378-389. doi: ...

Financial word of the day: Black-Scholes model — The Black-Scholes model remains the 2026 gold standard for pricing trillions in derivatives. It uses five key data points: stock price, strike, time, ...

Learn how to solve differential equations using Euler and Runge-Kutta 4 methods! This tutorial compares both techniques, explaining accuracy, step size, and practical applications for physics and ...

A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working ...

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. Suzanne is a ...

A well-diversified portfolio holds not only well-known U.S. names, but also stocks and bonds from around the world. While global stocks show some correlation with domestic equities, they are not ...

Chocolate or strawberry? Life or death? We make some choices quickly and automatically, relying on mental shortcuts our brains have developed over the years to guide us in the best course of action.

The investment seeks long term capital appreciation. The fund invests primarily in equity securities of foreign companies with small market capitalizations (market value of publicly traded equity ...

Energy stocks appeal to investors for a few different reasons. They tend to perform independently of other types of stocks, so investors buy them to diversify their portfolios. Many energy stocks ...

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