What does XSUM stand for?

Find what does XSUM stand for and its field of usage? XSUM is used in the following field.

All the possible full forms of XSUM are provided below with meaning and definition. User can also visit each expanded form to read detailed definition of XSUM and its example usage.

XSUM » Clapack File Computing - File Extension Advertisement: More full forms :
XSV XSW XSYS XSZ XT XT3 XTA XT%2A XTB XTC XTCU XTD XTE XTEL XTEM XTF XTG XTH What is the full form of XSUM ? XSUM can be expanded as Clapack FileWhat does XSUM mean? Meaning of XSUM is Clapack File