Add Equation Library's

Can you please add the following sections to the Equation Library:

1) Columns and Beams - Elastic Buckling, Eccentric Columns, Simple - Deflection, Slope, Moment, Shear, and Cantilever - Deflection, Slope, Moment, Shear.
2) Stress Analysis - Normal Stress, Shear Stress, Stress on an Element and Mohr's Circle

Thanks,