Page Comparison

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• Typing the equation

  Mathinline
  body --uriencoded--x%5e2

• Typing

  Mathinline
  body y=

  and then the equation

  Mathinline
  body --uriencoded--x%5e3

• Typing

  Mathinline
  body f(x)=

  and then the equation

  Mathinline
  body --uriencoded--\frac%7Bx%5e2%7D%7B7%7D

  Image RemovedImage Added

Functions can be hidden from the graph by clicking the colored circle to the left of their equation.

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Functions can be graphed with

Mathinline
body x

in terms of

Mathinline
body y

: {\displaystyle

Mathinline
body --uriencoded--x=

{

%7B\sqrt

{1-y^{2}}}}

%7B1-y%5e%7B2%7D%7D%7D

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Functions can be of multiple variables. For example,

Mathinline
body --uriencoded--g(a,b)=a%5e%7B2%7D+b

and 

Mathinline
body h(a)=g(a,3)

.

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In Desmos you can graph parametric equations. The standard form of this is {\displaystyle

Mathinline
body (f(t),g(t))

}. For example, {\displaystyle

Mathinline
body (sin(2t),cos(3t))

}. It is necessary to use the variable {\displaystyle t}

Mathinline
body t

 in order for the equation to be interpreted as a parametric equation.

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Solutions of equations involving

Mathinline
body x

and

Mathinline
body y

can be plotted without solving for

Mathinline
body x

or

Mathinline
body y

.

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Points and Tables

Points can be graphed in two ways. One way is by clicking the plus in the upper left, and then selecting table. Points can be added manually, or pasted in from an outside source, such as Logger Pro. The points will appear on the graph, but the viewport will not scale to accommodate them. To do this, see Resizing the viewport.

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The other way to graph points is by adding them in the form {\displaystyle

Mathinline
body (1,4)

}.

Movable points can be graphed by setting one or both of the parameters to variables: {\displaystyle

Mathinline
body (1,g)

}. Movable points can be moved either with the sliders or by clicking and dragging the point. You can restrict a movable point to being on a function by graphing it in the form {\displaystyle

Mathinline
body (a,f(a))

}.

You can add multiple points by separating them with commas, like so: {\displaystyle

Mathinline
body (2,5),(3,10)

}. Points added this way cannot be accessed as a list of x and y values, unlike points in a table.

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To add a slider, write a function with a free variable, such as {\displaystyle

Mathinline
body y=mx

}, then click on "add slider: m".

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Another way to add variables is to type the variable letter, "=", and then a starting value. For example, {\displaystyle

Mathinline
body d=100.42

}.

Clicking on either of the constraints of a slider allows you to set the minimum, maximum, and step values.

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