keyCulator is the simplest calculator program in the world. However, the simplicity is both a concept and a power!
This is the only calculator program without an ordinary window. Generally, there is no window at all! But how can it work The answer is simple: keyCulator add calculation and evaluation functionality to ANY PROGRAM running.
Imagine, you type in Notepad or Microsoft Word "1+2" and press "=", keyCulator will paste the evaluated Result right into document and youll get "1+2=3". If you need only the evaluated Result, just press "=" once again and keyCulator will replace all typed by a Result - "3". If you do not need the Result in your document, but just need to know it, just press "Esc" and Result will be removed from document.

The license of this software is Free Trial Software, the price is $14.99, you can free download and get a free trial before you buy. If you want to get a full or nolimited version of keyCulator, you can buy this calculator software software.