In a recent write-up, [David Delony] explains how he built a Wolfram Mathematica-like engine with Python. Core to the system is SymPy for symbolic math support. [David] said being able to work ...

Learn how to calculate the present value of various bond types using Excel, including zero-coupon, annuities, and continuous ...

Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing the correct time periods for data analysis.

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 ...

I was preparing for my early morning class back in January 2025 when I received a notice regarding an asteroid called 2024 YR4. It said the probability it could hit Earth was unusually high. As ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights I was preparing for my early morning class back in ...

I have been studying planetary defense, particularly being part of past, ongoing, and future small body missions. I was part of the NASA/DART mission. I am currently part of the NASA/Lucy mission and ...

Have you ever stared at a spreadsheet, struggling to make sense of percentage calculations that just don’t seem to add up? Whether it’s a confusing formula, a misstep with zero values, or an ...

The forward price-to-earnings ratio (P/E) is a valuation metric that measures and compares a company's earnings using ...