The KCalc HandbookRevision 2.13 (KDE 4.11) (2013-05-24)
Copyright © 2001, 2002, 2005, 2006 Bernd Johannes Wuebben, Pamela Roberts, Anne-Marie Mahfouf
KCalc is a calculator for KDE. In the simple mode it can be used for basic arithmetic operations, but provides advanced modes for scientific, statistical and numeral system calculations.