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How to Graph a Circle on a Calculator

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\n Radius of Circle (r)\n \n

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\n Center X-Coordinate (h)\n \n

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\n Center Y-Coordinate (k)\n \n

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Graphing Parameters for Your Calculator
Calculator	Format	Example (r=5, h=0, k=0)
TI-83/TI-84	Y1 = k ± sqrt(r² – (X – h)²)	Y1 = 0 ± sqrt(25 – X²)
TI-84 (Advanced)	Circle Equation (Parametric or Polar)	Use Circle Application
Casio fx-9750GII	Equation Mode (x² + y² = r²)	x² + y² = 25

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How To Graph A Circle On Calculator