GraphingCalculator 3.5;
Window 44 150 733 722;
PaneDivider 198;
2D.BottomLeft 0.28125 -4.171875;
Expr cosh(x);
Text "cosh(x) is defined as (e^x + e^(-x))/2.
The graph of this function is called catenary. It is the shape of hanging chain.
Click on the magnify button to see the shapes of different length of chain.
XahLee.org, 2004.";