Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Measuring returns is essential for evaluating the success or failure of an investment program. At first glance, this seems ...

Dollar-Cost Averaging Benefits: Regular investments during market volatility can improve returns by buying more shares when prices are low. Market Timing Risks: Large investments right before market ...

A ceasefire has been reached between Iran and Israel after a 12-day conflict sparked by internal Israeli political issues and IAEA statements on Iran's nuclear program. Israel's miscalculations about ...

Calculating age based on a birthday is a common task, whether for work, school, or personal records. Excel makes this easy with built-in formulas that can quickly determine a person’s age from their ...

Master Excel percentages with expert hacks to save time, reduce errors, and boost confidence in your data. Learn shortcuts and avoid mistakes ...

We want to calculate the percentage of annual decline. First, we divide the most current revenue number by the beginning revenue number: $10 million divided by $15 million comes to 0.667.

If the payments are made annually, the next step is straightforward. Use the =IRR () function in your spreadsheet to calculate the interest rate of the capital lease.

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

PennyGem’s Elizabeth Keatinge tells us why experts say you need to figure out what you are worth, so you can stop taking time away from things you want to do.

→ The tricky task of calculating AI’s energy use → AI models are helping dirty industries go green → AI models can help generate cleaner power → Could data centres ever be built in orbit?