Using this program you can understand the basic structure of HTML code to make a simple calculator. Every website is done using HTML for the basic layout.

A calculator is a device that uses numbers to execute arithmetic operations. Only addition, subtraction, multiplication, and division are possible with the most basic calculators.

<html>

<body>

<font size=”24″ font style=”roboto” color=”Red”>Calculator</font><br>

Enter the first number<input type=”number” name=”input1″ ><br>

Enter the second number<input type=”number” name=”input2″ ><br>

Select Operation <select name=operation>

<option value=”Select..”>Select..</option>

<option value=”Add”>Add</option>

<option value=”Sub”>Sub</option>

<option value=”Mul”>Mul</option>

<option value =”Div”>Div</option>

</select><br>

</body>

</html>

## What is calculator and its uses in online

A calculator is a device that uses numbers to execute arithmetic operations. Only addition, subtraction, multiplication, and division are possible with the most basic calculators.

Exponential operations, roots, logarithms, trigonometric functions, and hyperbolic functions are all handled by more advanced calculators.

Using a calculator, you can get an accurate count of a number. Students gain confidence in inventing new technologies by using calculators.

A sufficient number of problems can be solved repeatedly with ease. All electronic application devices provide a calculator option.

## What is html and how it useful

HTML stands for the complete hypertext markup language, and it is a formatting method for presenting information received from the Internet.

Web pages are the smallest retrieval units, and they typically contain hypertext connections that allow similar pages to be accessed.

The coding used to organize a web page and its content is known as HTML.

The content might be organized using a collection of paragraphs, a list of bulleted points, or pictures and data tables, for example.

## How to perfom mathematics operation in html

A standard keyboard lacks several mathematical, technical, and monetary symbols. You may use either the entity name or the entity number to add such symbols to an HTML page.

Subtraction, multiplication, and division are the other three basic mathematical operations; addition is one of them.

When two whole numbers are added together, the total quantity or sum of those values is obtained.