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Thank you, **Lulu**

Simplify the square root of:

$$ \sqrt{8} = 2\sqrt{2} \notag $$

- Calculating the transformation between two set of points
- Check if a number is prime online
- Check if a point belongs on a line segment
- Cross product
- Common derivatives rules
- Common derivatives
- Dot product
- How to check if four points are coplanar
- Common integrals (primitive functions)
- Least square approximation with a second degree polynomial
- Sines, cosines and tangeantes of common angles
- Singular value decomposition (SVD) of a 2×2 matrix
- Tangent line segments to circles
- Understanding covariance matrices

Last update : 04/13/2019