The Rule of 72 is a simple calculation tool for investors to use, but it's not necessarily the most accurate. Here are some more precise options to try.

Gemini’s response included a brief description of the “6371” number, which is the Earth’s radius in kilometers. For miles, I ...

If your job entails a lot of futzing with spreadsheets, you’re about to have more bandwidth: Google says that all these new Gemini capabilities are available in Sheets right now. You can try them on ...