This online calculator for addition and subtraction multiplication and division of binary numbers online.How to use this calculator: In the calculator, there are two input fields intended for entry of binary numbers. The first field for the first number, the second to the second, respectively. Between these two fields, you must select a mathematical operation you want to implement them. You can add up and subtract, multiply and divide fractions or binary numbers. To enter a fractional binary number, you can use a dot or comma. After entering the numbers, and select the mathematical operation to calculate the click button on them. And the information appears with the result of the calculation at the top of the page.