Owner's Manual
TI-89 / TI-92 Plus Calculus Tools Page 27
F6 7:Inertia Tensor
Displays the problem-entry dialog box for the aInertia(...)
function (page 30) along with an example problem.
F6 8:Arc Displacement
Displays the problem-entry dialog box for the plrArcLn(...)
function along with an example problem (page 33).