Графический калькулятор Desmos

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This isn't your imagination: complex numbers are now live! Be sure to toggle on "Complex Mode" from the graph settings menu (the wrench icon). You can also now perform regressions directly from a table of values, and find just the right fit.

To read more about all that's new across the Desmos math tools, visit our what's new page: https://desmos.com/whats-new