to view the statistics calculation options.
to view more options.
Press to select one-variable statistics.
Press 
to select two-variable statistics.
Press 
to select
linear regression which finds the best-fit
linear equation of the form y = a + bx.
Press 
to select
logarithmic regression which finds the best-fit
logarithmic equation of the form y = a + b ln x.
Press 
to select
exponential regression which finds the best-fit
exponential equation of the form y = abx.
Press to select
power regression which finds the best-fit
power equation of the form y = axb.
Press
to select sine regression which finds the best-fit
sine equation of the form y = asin bx + d.
Press
to select logistic regression which finds the best-fit
logistic equation of the form y = c/(1 + ae-bt).
Press to select
quadratic regression which finds the best-fit
quadratic equation of the form y = ax2 + bx + c.
Press to select
cubic regression which finds the best-fit
cubic equation of the form y = ax3 + bx2 + cx + d.
Press
to select
quartic regression which finds the best-fit
quartic equation of the form y = ax4 + bx3 + cx2 + dx + e.
Press
to select
Store Regression which lets you store the current regression into equation, such as y1.