.MCS File

The mcs file extension associated with MathCAD, a software for engineering calculations, developed by Mathsoft (now part of Parametric Technology Corporation).

The mcs file stores raster picture image created in the MathCAD.

How to open:

Use MathCAD to open and work with *.mcs image files.

How to convert:

Export to other graphics formats within MathCAD is probably possible. Or you can use it for other purposes in the program.