SymPy Gamma
WolframAlpha
Cymath
Photomath
Symbolab
Mathway
Brainly
Microsoft Math Solver
errProof
Jim
MicroDicom
Weasis
SpeedCrunch
Getcalc
Horos
Insect
SymPy GammaWolframAlpha - WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.
Jim - An overview of Jim capabilities
Cymath - Free Step-By-Step Solutions to algebra problems.
MicroDicom - DICOM viewer. MicroDicom is a free DICOM viewer. Export to the most common picture formats, movie, clipboard. It is equipped with most common tools for manipulation of DICOM images.
Photomath - Photomath is a mobile app that will give you the ability to test your equations through a simple calculator interface that will fully explain the solution in a step-by-step fashion. Read more about Photomath.
Weasis - Weasis is a multipurpose standalone and web-based DICOM viewer.