Online Scientific Calculator
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JavaScript Scientific Calculator: A Comprehensive Guide
"JavaScript is one of the most popular programming languages in the world. It is widely used for web development, mobile app development, game development, and more. One of the most common applications of JavaScript is in creating scientific calculators. In this article, we will discuss how to create a JavaScript scientific calculator and explore some of the best examples available on the internet".
Introduction to JavaScript Scientific Calculator
A scientific calculator is a specialized calculator used to perform complex mathematical calculations. It is commonly used in scientific, engineering, and mathematical fields. In recent years, web-based calculators have become increasingly popular due to their accessibility and convenience. JavaScript is the language of choice for building web-based calculators because it is easy to learn and has a vast number of libraries and frameworks available.
How to Build a JavaScript Scientific Calculator
Building a JavaScript scientific calculator can be a challenging task, but with the right tools and resources, it can be done quickly and easily. Here are the basic steps for building a JavaScript scientific calculator:
Step 1: Create the HTML and CSS for the Calculator
The first step is to create the HTML and CSS for the calculator. This includes the layout, buttons, and display area.
Step 2: Add JavaScript for Basic Calculations
Next, add JavaScript code to perform basic calculations such as addition, subtraction, multiplication, and division. You can use the eval() function to evaluate the mathematical expression entered by the user.
Step 3: Add JavaScript for Scientific Calculations
To add scientific calculations, you will need to use JavaScript math functions such as sin(), cos(), tan(), log(), and sqrt(). You can also create custom functions to perform specific calculations.
Step 4: Add Event Listeners
Finally, add event listeners to the calculator buttons to detect user input and update the display area accordingly.
Examples of JavaScript Scientific Calculators
There are many examples of JavaScript scientific calculators available on the internet. Here are some of the best examples:
Desmos Graphing Calculator
The Desmos graphing calculator is a free, web-based scientific calculator that allows users to graph functions, plot data, and evaluate equations. It is a powerful tool for students, teachers, and professionals alike.
Math.js
Math.js is an extensive JavaScript library for mathematical calculations. It includes a wide range of mathematical functions, constants, and units. It can be used to perform basic and advanced mathematical operations, including matrix operations, statistics, and calculus.
MyScript Calculator
The MyScript calculator is a unique web-based calculator that allows users to write mathematical expressions on the screen using their mouse or touchpad. It recognizes handwritten expressions and evaluates them in real-time.
Soulver
Soulver is a sophisticated calculator app for macOS and iOS that uses natural language input to perform complex calculations. It allows users to perform calculations using variables, functions, and units.
Conclusion:
JavaScript scientific calculators are essential tools for professionals, students, and anyone who needs to perform complex mathematical calculations. With the right tools and resources, building a JavaScript scientific calculator is an easy task. Whether you are building a calculator from scratch or using an existing library or framework, JavaScript is the language of choice for creating powerful and flexible scientific calculators.
