This Mohr's Circle calculator for Android makes it easy to generate 2D and 3D Mohr's Circle for both stresses and strains. Use on the job! Check your homework! Have fun! Features: 2D Mohr's Circle. 3D Mohr's Circle. Strain rosette input with any gauge angles Convert between stress and strain, & 2D and 3D. Compute principal stresses and principal strains.