📍 Coordinate Geometry

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2D Distance

Calculate the straight-line distance between two points on a Cartesian plane.

÷

Section Formula

Find the internal division point of a line segment in a given ratio.

━

Line From 2 Points

Find the slope and y-intercept of the line through two non-vertical points.

│

Vertical Line

Find the equation of a vertical line through a given x-coordinate.

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Horizontal Line

Find the equation of a horizontal line through a given y-coordinate.

X

X-Intercept

Find the x-intercept of a line in slope-intercept form.

f(x)

Line Value

Calculate y for a line y = mx + b at a chosen x-value.

∥

Parallel Line

Find the equation of a line parallel to a given slope through a point.

⊥

Perpendicular Line

Find the equation of a line perpendicular to a given nonzero slope through a point.

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3D Distance

Calculate the straight-line distance between two points in three-dimensional Cartesian space.

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3D Midpoint

Find the midpoint of a line segment between two points in three-dimensional space.

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Centroid

Find the centroid coordinates of a triangle from its three vertex coordinates.