Free calculator for Windows, easy-to-use still powerful and convenient. Ideal for unremarkable use. With a aplomb, original user interface, CCCalc combines the simplicity of desktop calculators with the ability of spreadsheet applications. It performs four basal arithmetic operations and percents too. CCCalc has no limitations on precision and allows you to ascendancy rounding up as desired. CCCalc automatically remembers everything you've entered until you delete it yourself. It allows you to browsing through the calculation history as if it were a text and reuse numbers or right any misprint at any moment, the result will be recalculated automatically. It supports data commute with any Windows application via drag-and-drop or clipboard. It also is very compact so it starts instantly and its download and installing takes simply seconds.