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Contact Lens Power Calculation - Toric & Spherical
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CALCULATOR: Find vertex (max/min) on graphing calculator
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Functions: Find Zeroes & Vertex using TI-Nspire CX Graphing Calculator
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Ti84 Tutorial - Finding a Vertex
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Quadratic Functions & the calculator (ti-84 plus)
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Finding Vertex and Roots of a Quadratic using your Calculator
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How to find the Vertex of a quadratic/parabola
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Graph a Parabola to Find the Vertex, the Focus, the Directrix and More on the TI 84 Plus CE