KS Calculator - Version 1.05 A powerful and useful calculator which support operation with numbers in Binary, Octal, Decimal and Hexadecimal formats, support expressions with many functions : Sin, Cos, Tan, ArcTan, Exp, Ln, Log, etc. Programm also has build-in useful Calendar and CharactersMap. Calculator can save history of expression, remember own position on screen and other parameters. Calculator window can show in tree state : Mini, Medium and Maxi. Also You can minimized calculator to Tray.