Functions

Overview

You can use function notation as an easy, efficient way of using equations without re-writing them. For example, you can evaluate a function at a certain point:


You can use the notation f(x,y), for example, to define a function with more than one variable:


Defining a function once allows you to use this function within other functions. 


Or, you can combine multiple functions together to create a separate function. 

  

 

 
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5 Comments

  • 5
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    Caleb Parks

    Functions should be able to accept points as arguments. It would be very helpful.

  • 11
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    skylord a52

    Are there any plans to eventually implement recursive functions?

  • 0
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    Leslie Koller

    Your f(x,y) never uses the y variable...it is essentially a one-variable function.  I was looking for how to graph f(x,y)=x+y+xy?

  • 0
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    Dmitry Kudriavtsev

    Is there a way to have a function return a function?

  • 0
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    Philippe BAUCOUR

    Bonjour,

    Very quick. Can we define function names with more than one letters like :

    TempEngine (t) = ....

    Derivative (t) = 

    Numerator (x) =....

    Denom(x) = ....

    Ratio(x) = Numerator(x)/Denom(x)

    The help file should at least explain what is possible and what is not.We (the users) would save lot of time. Best regards, Philippe

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