Master Excel with these 10 powerful functions. Learn time-saving tips and tricks to manage data efficiently and work smarter, ...

If you hit a hurdle in Microsoft Excel, press F1 to bring up the Help pane, usually to the right of the window.

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Linear Regression (Least Squares): Implementing the matrix formula β = (ZᵀZ)⁻¹ (ZᵀY) to find the best-fit line for a given set of data points. Exponential Regression: Using a change of variables ...