Question: how to solve a quadratic equation in a calculator?
Answer: Step 1: Getting Started. You should know that a quadratic equation looks something like this: x^2-3x+2=0 or ax^2+bx+c=0. ... 
Step 2: The Equation. Look at the first picture and put that on your calculator. ... 
Step 3: Displaying Results. Press program, then the right arrow, then 3. ... 
Step 4: Using the Program.