# JSXGraph Reference

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Class Index | File Index

## Elements

## Classes

- _global_
- Angle
- Arc
- Arrow
- Arrowparallel
- Axis
- Bisector
- Bisectorlines
- Button
- Cardinalspline
- Checkbox
- Circle
- Circumcenter
- Circumcircle
- CircumcircleArc
- CircumcircleSector
- Conic
- Curve
- Derivative
- Ellipse
- Functiongraph
- Glider
- Grid
- Group
- Hatch
- Hyperbola
- Image
- Incenter
- Incircle
- Inequality
- Input
- Integral
- Intersection
- JXG
- JXG.AbstractRenderer
- JXG.Board
- JXG.C
- JXG.CA
- JXG.CanvasRenderer
- JXG.Circle
- JXG.Complex
- JXG.Composition
- JXG.Coords
- JXG.CoordsElement
- JXG.Curve
- JXG.Dump
- JXG.EventEmitter
- JXG.GeometryElement
- JXG.GeonextParser
- JXG.Group
- JXG.Image
- JXG.JessieCode
- JXG.JSXGraph
- JXG.Line
- JXG.Math
- JXG.Math.Geometry
- JXG.Math.Numerics
- JXG.Math.Poly
- JXG.Math.Poly.Monomial
- JXG.Math.Poly.Polynomial
- JXG.Math.Poly.Ring
- JXG.Math.Statistics
- JXG.Math.Symbolic
- JXG.NoRenderer
- JXG.Options
- JXG.Point
- JXG.Polygon
- JXG.Server
- JXG.Server.modules
- JXG.SVGRenderer
- JXG.Text
- JXG.Ticks
- JXG.Transformation
- JXG.Turtle
- JXG.Util
- JXG.Util.Base64
- JXG.Util.Unzip
- JXG.Util.UTF8
- JXG.VMLRenderer
- JXG.XML
- Label
- Line
- Locus
- MajorArc
- MajorSector
- Midpoint
- MinorArc
- MinorSector
- Mirrorelement
- Mirrorpoint
- NonReflexAngle
- Normal
- Orthogonalprojection
- OtherIntersection
- Parabola
- Parallel
- Parallelpoint
- Perpendicular
- PerpendicularPoint
- PerpendicularSegment
- Point
- PolarLine
- PolePoint
- Polygon
- Quadtree
- RadicalAxis
- Reflection
- ReflexAngle
- RegularPolygon
- Riemannsum
- Sector
- Segment
- Semicircle
- Slider
- Slopetriangle
- Spline
- Stepfunction
- Tangent
- Tapemeasure
- Text
- Ticks
- Tracecurve
- Transformation
- Turtle

# Element Index

# Class Index

## _global_

## Angle

The angle element is used to denote an angle defined by three points.

## Arc

An arc is a segment of the circumference of a circle.

## Arrow

This element is used to provide a constructor for arrow, which is just a wrapper for element Line with JXG.Line#straightFirst and JXG.Line#straightLast properties set to false and JXG.Line#lastArrow set to true.

## Arrowparallel

An arrow parallel is a parallel segment with an arrow attached.

## Axis

This element is used to provide a constructor for an axis.

## Bisector

A bisector is a line which divides an angle into two equal angles.

## Bisectorlines

Bisector lines are similar to Bisector but takes two lines as parent elements.

## Button

This element is used to provide a constructor for special texts containing a form button element.

## Cardinalspline

This element is used to provide a constructor for cardinal spline curves.

## Checkbox

This element is used to provide a constructor for special texts containing a form checkbox element.

## Circle

This element is used to provide a constructor for a circle.

## Circumcenter

Constructs the midpoint of a Circumcircle.

## Circumcircle

A circumcircle is given by three points which are all lying on the circle.

## CircumcircleArc

A circumcircle arc is an Arc defined by three points.

## CircumcircleSector

A circumcircle sector is different from a Sector mostly in the way the parent elements are interpreted.

## Conic

This element is used to provide a constructor for a generic conic section uniquely defined by five points.

## Curve

This element is used to provide a constructor for curve, which is just a wrapper for element Curve.

## Derivative

This element is used to provide a constructor for the graph showing the (numerical) derivative of a given curve.

## Ellipse

This element is used to provide a constructor for an ellipse.

## Functiongraph

This element is used to provide a constructor for functiongraph, which is just a wrapper for element Curve with JXG.Curve#X() set to x.

## Glider

This element is used to provide a constructor for a glider point.

## Grid

Creates a grid to support the user with element placement.

## Group

This element combines a given set of JXG.Point elements to a group.

## Hatch

Hatches can be used to mark congruent lines.

## Hyperbola

This element is used to provide a constructor for an hyperbola.

## Image

Displays an image.

## Incenter

Constructs the incenter of the triangle described by the three given points.

## Incircle

An incircle is given by three points.

## Inequality

Creates an area indicating the solution of a linear inequality.

## Input

This element is used to provide a constructor for special texts containing a form input element.

## Integral

This element is used to visualize the integral of a given curve over a given interval.

## Intersection

This element is used to provide a constructor for an intersection point.

## JXG

## JXG.AbstractRenderer

JXG.AbstractRenderer

## JXG.Board

JXG.Board controls all properties and methods used to manage a geonext board like managing geometric elements, managing mouse and touch events, etc.

## JXG.C

Namespace for the complex number arithmetic functions.

## JXG.CA

## JXG.CanvasRenderer

JXG.AbstractRenderer

## JXG.Circle

Creates a new circle object.

## JXG.Complex

This class is for calculating with complex numbers.

## JXG.Composition

JXG.Composition

## JXG.Coords

This is the Coordinates class.

## JXG.CoordsElement

Creates a new coords element object.

## JXG.Curve

Creates a new curve object.

## JXG.Dump

## JXG.EventEmitter

## JXG.GeometryElement

This is the basic class for geometry elements like points, circles and lines.

## JXG.GeonextParser

## JXG.Group

In this class all group management is done.

## JXG.Image

Creates a new image object.

## JXG.JessieCode

## JXG.JSXGraph

The JXG.JSXGraph singleton stores all properties required to load, save, create and free a board.

## JXG.Line

Creates a new basic line object.

## JXG.Math

## JXG.Math.Geometry

## JXG.Math.Numerics

## JXG.Math.Poly

## JXG.Math.Poly.Monomial

## JXG.Math.Poly.Polynomial

## JXG.Math.Poly.Ring

## JXG.Math.Statistics

## JXG.Math.Symbolic

## JXG.NoRenderer

JXG.AbstractRenderer

## JXG.Options

## JXG.Point

Creates a new point object.

## JXG.Polygon

Polygon stores all style and functional properties that are required to draw and to interactact with a polygon.

## JXG.Server

JXG.Server namespace holding functions to load JXG server modules.

## JXG.Server.modules

## JXG.SVGRenderer

JXG.AbstractRenderer

## JXG.Text

Creates a new text object.

## JXG.Ticks

Ticks provides methods for creation and management of ticks on an axis.

## JXG.Transformation

Creates a new transformation object.

## JXG.Turtle

This is the Turtle class.

## JXG.Util

## JXG.Util.Base64

## JXG.Util.Unzip

Unzip class Class for gunzipping, unzipping and base64 decoding of files.

## JXG.Util.UTF8

## JXG.VMLRenderer

JXG.AbstractRenderer

## JXG.XML

## Label

Labels are text objects tied to other elements like points, lines and curves.

## Line

This element is used to provide a constructor for a general line.

## Locus

This element is used to visualize the locus of a given dependent point.

## MajorArc

A major arc is a segment of the circumference of a circle having measure greater than or equal to 180 degrees (pi radians).

## MajorSector

A major sector is a sector of a circle having measure greater than or equal to 180 degrees (pi radians).

## Midpoint

The midpoint element constructs a point in the middle of two given points.

## MinorArc

A minor arc is a segment of the circumference of a circle having measure less than or equal to 180 degrees (pi radians).

## MinorSector

A minor sector is a sector of a circle having measure less than or equal to 180 degrees (pi radians).

## Mirrorelement

A mirror element will be constructed.

## Mirrorpoint

A mirror point will be constructed.

## NonReflexAngle

A non-reflex angle is the acute or obtuse instance of an angle.

## Normal

Constructs a normal.

## Orthogonalprojection

This is used to construct a point that is the orthogonal projection of a point to a line.

## OtherIntersection

This element is used to provide a constructor for the "other" intersection point.

## Parabola

This element is used to provide a constructor for a parabola.

## Parallel

A parallel is a line through a given point with the same slope as a given line.

## Parallelpoint

This element is used to construct a parallel point.

## Perpendicular

This element is used to provide a constructor for a perpendicular.

## PerpendicularPoint

This is used to construct a perpendicular point.

## PerpendicularSegment

This element is used to provide a constructor for a perpendicular segment.

## Point

This element is used to provide a constructor for a general point.

## PolarLine

This element is used to provide a constructor for the polar line of a point with respect to a conic or a circle.

## PolePoint

This element is used to provide a constructor for the pole point of a line with respect to a conic or a circle.

## Polygon

A polygon is an area enclosed by a set of border lines which are determined by

- a list of points or
- a list of coordinate arrays or
- a function returning a list of coordinate arrays.

## Quadtree

## RadicalAxis

This element is used to provide a constructor for the radical axis with respect to two circles with distinct centers.

## Reflection

This element is used to construct a reflected point.

## ReflexAngle

A reflex angle is the neither acute nor obtuse instance of an angle.

## RegularPolygon

Constructs a regular polygon.

## Riemannsum

This element is used to provide a constructor for Riemann sums, which is realized as a special curve.

## Sector

A circular sector is a subarea of the area enclosed by a circle.

## Segment

This element is used to provide a constructor for a segment.

## Semicircle

A semicircle is a special arc defined by two points.

## Slider

A slider can be used to choose values from a given range of numbers.

## Slopetriangle

Slope triangle for a point on a line.

## Spline

This element is used to provide a constructor for (natural) cubic spline curves.

## Stepfunction

This element is used to provide a constructor for step function, which is realized as a special curve.

## Tangent

With the element tangent the slope of a line, circle, or curve in a certain point can be visualized.

## Tapemeasure

A tape measure can be used to measure distances between points.

## Text

Construct and handle texts.

## Ticks

Ticks are used as distance markers on a line.

## Tracecurve

This element is used to provide a constructor for trace curve (simple locus curve), which is realized as a special curve.

## Transformation

This element is used to provide projective transformations.

## Turtle

This element is used to provide a constructor for a turtle.