How to Graph Parabolas on a TI-84 Calculator | Sciencing
SOLVED: In Exercises 23 through 36, find an equation of the parabola having the given properties. Sketch the parabola and then check your graph by plotting it on your graphics calculator 02
Count on old-school fun with these new calculator emulations | Ars Technica
Parabola Calculator: The Easiest Way to Find the Equation of a Parabola