What does CALC stand for?

What does CALC mean?

CALC	California Coastal Communications Business » NASDAQ Symbols
CALC	Caring About Limestone Community Community
CALC	Can Anyone Like Calculus? Miscellaneous » Funnies
CALC	Customer Access Line Charge Computing » Telecom
CALC	Citrix Authorized Learning Center Business » Firms
CALC	CALCulate Governmental » NASA
CALC	Calculation Academic & Science » Mathematics
CALC	CALCulated Business » Accounting
CALC	Calculate Computing » Assembly
CALC	CALCulator Computing » DOS Commands