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Editorial Team
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Asked: 2026-06-17T10:13:22+00:00

I am working on a scientific calculator in C#. I have the parsing engine

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I am working on a scientific calculator in C#. I have the parsing engine and such, now I would like to add a graph so the user can plot a line. Is there any kind of control that will let me input a function and it will graph a line in the chart? I’m not talking about plotting individual points by the way.

Take this linear equation in slope-intercept form for instance:

f(x) = 2x + 7

The main goal is to allow the user to write 2x + 7 in a textbox, and then it will graph the line. It would be preferable if custom functions could be used other than just linear functions, such as:

((x - 8) * 4^2)/(7.136 + x)

But it’s not a requirement. Is there a third-party control for this? If not, how could I create such a control?

I have downloaded a program that graphs functions like this:

Desktop Graphing Calculator

How can I achieve this functionality in my Visual C# 2010 WinForms application?

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1 Answer

  1. Editorial Team

    I searched for mathematical function plot library for windows and found this:

    • FPlot a “.NET library for plotting functions and measurement data” (a project on CodeProject)

    and you can try to use the source code of:

    You’ll have to check the licenses.
    I didn’t try any of these, by the way.

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