This is an Algebra on the Oregon Coast reference unit containing data such as:US and Oregon population 2000-2008. Oregon Coast counties: population and area. Oregon Coast cities: latitude, longitude, elevation, population, area. Oregon Coast cities: population in years 2000 to 2005. Each of the above has a Things to Do with the Data section featuring TI-84 linear regression (LinReg) or quadratic regression (QuadReg) function fitting to the data.