Calculating Values for X and Y by Graphing | TI-83 Plus and TI-84 Plus Graphing Calculators
У вашего броузера проблема в совместимости с HTML5
Use the "Calculate" function to find the value of Y on a graph at any give value of Y.
Enter an equation into the Y= input field. Then use the calculate function to show values for x or y at any given point of y or x.