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Mathcad is a program used for engineering calculations, whilst also allowing the user to display, manipulate and analyse data.
http://www.ptc.com/products/mathcad/
.mcd - Mathcad Document File (Файлы документов)
Documents created using the engineering calculation program Mathcad use the file extension .mcd and are known as Mathcad document files. [Дополнительная Информация] |
.xmcd - Mathcad Worksheet File (Игровые файлы)
Files that use the .xmcd file extension are worksheet files that are used by the program Mathcad. [Дополнительная Информация] |