# [Math]Arithmetic Formula Collections

Mathematics

https://keisan.casio.com/menu/system/000000000250

Calcuate distance from foot of perpendicular to line

https://math.stackexchange.com/questions/33868/foot-of-perpendicular-to-line

How do you find the distance from a point to a plane?

https://math.stackexchange.com/questions/88392/how-do-you-find-the-distance-from-a-point-to-a-plane

How to find the equation of a plane using three non-collinear points

https://www.maplesoft.com/support/help/maple/view.aspx?path=MathApps%2FEquationofaPlane3Points

Find the equation of the plane knowing that it passes through 3 points

https://math.stackexchange.com/questions/1156983/find-the-equation-of-the-plane-knowing-that-it-passes-through-3-points

Find plane by normal and instance point + distance between origin and plane

https://math.stackexchange.com/questions/752252/find-plane-by-normal-and-instance-point-distance-between-origin-and-plane