learning to use the desmos graphing calculator

Desmos Graphing Calculator

Examples

Colleen Young

Desmos Graphing Calculator

□Follow the instructions here to create Desmos graphs

□Learn about:1. Drawing a quick graph2. Sliders3. Points of interest4. Tables5. Settings

Desmos Graphing Calculator

Note that many slides have hyperlinks which will take you direct to a Desmos page you can experiment with.

Sometimes hyperlinks will be in the main body of the slide.

Hyperlinks to graphs will be in this position

Draw a quick graphSuppose you want a graph of y = 3x+2Simply go to Desmos and type in your function

That’s it – one graph!

y = 3x+2

Learn about slidersNow suppose you want to explore straight line graphs.Simply go to Desmos and type in your function but this time use variables:

You will be offered the chance to add sliders – select all

Learn about sliders

y = mx+c

Now you have sliders

Try changing them and watch that graph!

Learn about slidersIf you want a slider to have integer values only, select one of the end points:

then you could make the step size 1 for integer values and also change the lowest and highest values if you want

y = mx+c try changing the sliders

Learn about slidersIf you want a slider to have integer values only, select one of the end points:

then you could make the step size 1 for integer values and also change the lowest and highest values if you want

y=mx+c, m and c integers

Points of Interest

Points of interest

Tables

First enter your function

then select edit list

and choose convert to table

Tables

y = 1/x with table

Tables

y = 1/x with table

Now try changing the table:Change the first value of xDelete the other rowsEnter a second value of x

....then keep pressing enter

Tables

y = 1/x with table – more values

SettingsTry changing the x and y axes

Uncheck Equalize Axis Scales for more control over the axis settings

Experiment with the three show settings to see what happens

Try changing the axes for thequadratic function in the link belowQuadratic - try changing axes