Qaltex is a tape-like calculator with straightforward interface and a lot of features.It is inspired by many other similar applications, but solves their disadvantages and at the same time it is empowered with some unique options and widgets.Features:* Easy formulas declaration, including options to reuse already existing formulas* Native standalone Windows application (fast start, no resource heavy usage of RAM and CPU, no .NET, no JAVA, no Electron, or so; no need to start some complex IDEs like Visual Studio Code or Eclipse or web browser to calculate some results)* Tabs (including option to hide some of them)* Options to format results (define thousand & decimal separators)* Automatic recognition of the decimal separator at the input ("dot" key at standard and/or numeric keyboard can be used, regardless of regional settings)* Function library and code completion tools* Recognition of units and currencies (including auto-download of current exchange rates)* Charts can be created easily from the context of your calculations* Fully customizable toolbars with calculation buttons* Skins and localization options* Groups, comments, totals and subtotals, underlines, and many more ...