Graphing the quadratic function Construct a table with values of x and f (x). Plot the data points. Connect the data points with a smooth line. This is easily done with Excel.

MS Excel's built in function fitting Using the spread sheet (Excel) to manually calculate the best fit parameters Vernier's Logger Pro (version 3.6.1) Plot 0.997 - - a program derived from Sci-Plot ...

This paper reports estimates of a GNP function for the United States using data covering most of the postwar period, and it introduces a new functional form, the Symmetric Normalized Quadratic ...