Mathematica 9 is now available

What is calcE?

[Graphics:indexgr2.gif][Graphics:indexgr5.gif]

PlotE[{-1,1},Square,
Disk[0.7,Lavender],
Axes[Blue,Ticks[Major,Above,Right]],
Axes[{-0.5,-0.5},{Red,Arrow,Right,Up}]
];

PlotE[{-3,4},Square,
Lattice[{1,2},{-1,1},Red,Lines,Dots,Triangular]
];

PlotE[x^2,{-2,2},
Texts[{hi,-1},{ho,0},{he,1},Bold,Italic,24 Point,Red]];