DeskCalc the Windows Desktop Calculator - Adding maschine

• http://www.deskcalc.com/index.php/calculator-modes-adding-machine.html
• http://www.deskcalc.com/index.php/calculator-modes-expression-calculator.html
• http://www.deskcalc.com/index.php/calculator-modes-windows-calc-pocket-pc.html
• http://www.deskcalc.com/index.php/adding-machine-export-pdf-export.html
• http://www.deskcalc.com/index.php/tape-calculator-sticky-nodes.html