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Before having such modern methods to do calculations, we used to calculate by hand, which took a lot of time and, most of the time, turn out to be wrong. Doing them, improves our speed, accuracy, and way of thinking.

There are many apps out there that come with simpler or more sophisticated options. Java Calculator is one of them and provides a modern and efficient method to make various small calculations, as well as complex functions, and constants.

The setup is finished in a blink of an eye and uncomplicated. Ensure that you have Java installed on the computer, as it required to work smoothly. It's wrapped in an approachable and easy-to-use layout, with the numeric buttons neatly placed in the middle, while on the sides you can find the memory and operations keys.

From the provided menu, you are able to switch between normal and scientific mode, the latter brings additional options to choose from. A big downside is the fact that you can't input the numbers using the Numpad, only by pressing the corresponding buttons, making the process time-consuming and frustrating.

You can change the mode between bin and dec, and calculate trigonometrical functions, like sine, cosine, tangent, and cotangent. The app lets you determine logarithm, square root, floor, ceil, Radians, Fahrenheit, Celsius, as well as constants (PI, E). A value can be sent to the memory. Sadly, the result can't be copied to the clipboard, and used in different papers.

Taking everything into account, Java Calculator is a useful and intuitive application that comes in handy when you want to do various basic operations, or more complex ones, fast and easy, while working on your projects, and homework.