# Basic Online Calculator

The basic online arithmetic calculator is a free and easy to use calculator that supports the four elementary math operations: addition (the plus sign, "+"), subtraction (the minus sign, "-"), multiplication (the cross symbol, "x"), and division (the slash symbol, "/").

In order to do an arithmetic operation, simply select the numbers and the arithmetic signs by clicking on the designed buttons. Alternatively, it can use the keyboard. Please note that the keyboard may not work well in all browsers.