Online Scientific Calculator
Javascript Scientific Calculator
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Javascript Scientific Calculator
A JavaScript scientific calculator works by using JavaScript code to capture user input and perform calculations based on that input. The calculator typically consists of an HTML form with input fields and buttons to capture user input, and JavaScript functions to process that input and calculate the result.
When a user clicks on a button on the calculator, the addToInput() function is called. This function adds the clicked button's value to the input field. For example, if the user clicks the "2" button, the addToInput() function would add "2" to the input field.
When the user clicks the "=" button, the calculate() function is called. This function gets the input value from the input field, evaluates the mathematical expression using the eval() function, and displays the result in the input field.
The clearInput() function is called when the user clicks the "AC" button, and it simply clears the input field by setting its value to an empty string.
To add scientific functions such as square, square root, and trigonometric functions, additional JavaScript functions are created. These functions use the Math object in JavaScript to perform the calculations. For example, to calculate the square root of a number, the Math.sqrt() function can be used.
Overall, a JavaScript scientific calculator works by using JavaScript code to capture user input, perform calculations based on that input, and display the result to the user. By adding additional functions to perform scientific calculations, the calculator can be expanded to include a wider range of mathematical operations.
