Pluser is a handy calculator (concerning the size), which maintains skins of different formats. It can do mathematical expressions evaluations, handle with variables and convert data. It maintains work with clipboard.

Pluser is a calculator which will always be in the way.
It's enough just to click Numlock, the calculator window will show and you can do accountings. Click NumLock once more and the calculator window will hide.

Pluser does mathematical expressions evaluations.
With the help of Pluser you can use mathematical expressions during your calculations that will help you to accelerate the calculations of high frequency operations.

Pluser works with variables.
Making calculations with Pluser you can set results in variables and if necessary use them later on. You can also use them in mathematical expressions. Moreover, you can set frequently used programs into variable list and then use them in calculations.

Pluser maintains the skins.
You can customize user interface as you like. You can use ready-made Pluser skins or make your own, it will not take too much time. Besides it's own skins Pluser maintains a range of skins usable in other calculators.