Mechanical Engineering Toolkit is a professional engineering calculator for all students and researchers at university and college and industrial engineers. This toolkit provides engineering equations/formulas calculation, instructions, and reference material. Get the calculation result just by choosing a formula and entering the required variables.

The following categories are available:
1. Mechanics of Material:
• Moments of inertia of plane areas
• Force-displacement relation of bar
• Moments of inertia of plane areas
• Torsion formula of bar
• Flexure formula of beam
• Deflections and slopes of cantilever beams
• Deflections and slopes of simple beams
• Plane stresses transformation
• Principal stresses and plane
• Stresses in the wall of a spherical shell
• Stresses in a thin-walled cylindrical pressure vessel
• Buckling load of column
2. Theory of Elasticity
• Constitutive relation of linear elastic material
• Stress/strain of linear elastic material
3. Composite Material
• Lamina stress/strain
• Lamina engineering constants
• Laminate stress/strain
• Laminate plane properties
• Laminate 3D properties
• Rule of mixtures