Want to putt like the pros? Ian Poulter shows how a simple string can improve your putting alignment, eye position and stroke.

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

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.

Crop factor is an unnecessary complication for beginner photographers – just put the equivalent focal length on the lens ...

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