# How to graph a "free format" function

Hello,

New to GeoGebra. I have tried to answer my own question looking at a number of videos, but either I find videos showing features from earlier version, of using an f(x)= definition type and I am getting really confused.

In the attached file and screenshot, you will see that I have entered some constant, destined to be used as sliders to simulate a final value called VPP In order to define VPP, I define an intermediate value called PT.

The calculations work fine (though I have not found a way to display the results as percentages and/or fractions yet), and dragging and dropping the sliders works fine, but for the life of me, I cannot get GeoGebra to simply graph VPP.

I must be missing something very simple so I apologise for the naive question.

Would you please let me know how to chart VPP? I can then introduce the sliders and simulate.

Thank you for your patience.

Chris

You're only working with numbers and VPP too is just a number and no function so it's normal it cannot be graphed. A function would be something as f(x)= VPP or f(x)=VPP x.

chris

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