Wolfram|Alpha has stress and strain calculators. Solve problems related to Mohr's circle plane normal strain in <i>x</i>‐ or <i>y</i>‐direction, Mohr's circle plane normal stress in <i>x</i>‐or <i>y</i>‐direction, Mohr's circle plane shear strain or shear stress, the Mohr–Coulomb failure criterion, principal stresses, mechanical stress for a cylinder, engineering strain, mechanical stresses on a thin‐walled hoop, mechanical stress and maximum shear stress in a spring.
