Calculator - W3Calc

Calculator by Desmos
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Online Calculator

Online Calculator - A fast, reliable, and easy-to-use tool for all your mathematical calculations. Perfect for students, professionals, and everyday users, this online calculator provides accurate results for basic arithmetic, scientific functions, and more. Enjoy the convenience of free, ad-free calculations right from your browser.

There are two main types of online calculators:

  • Basic calculators: These function just like a basic handheld calculator, allowing you to perform fundamental math operations like addition, subtraction, multiplication, and division.
  • Scientific calculators: These offer more advanced features like trigonometry, calculus, and statistical functions. They can be helpful for complex calculations in science, engineering, or finance.

How to use

Here is how to use some of the calculator features described below:

Buttons Usages
1 2 3 4 5 6 7 8 9 0 Entering numbers
+ − × ÷ Performing basic mathematical operations (addition, subtraction, multiplication, division):
1 + 2 = 3
↲ Press enter to perform a new calculation
↞ Deleting the last entered symbol:
1 2 3 4 ← 123
( ) Entering parentheses:
( 2 + 2 ) × 2 = 8
. Separating the fractional part in a decimal fraction:
0 . 1 + 0 . 2 = 0.3
÷ Dividing the numerator and denominator in a common fraction:
5 ÷ 8 − 1 ÷ 4 = 0.375
% Calculating percent of any number:
90 % 10 = 9
a/b
 Calculating fraction value:
a/b
 1 2 = 0.5
ans Getting the last answer value
clear all Clearing all the calculator screen
⤥ ⤦ Undoing and Redoing things of your calculations
⟵ ⟶ Moving the cursor between the equation
a2 ab Raising to a power:
  1. 3 a2 = 9
  2. 2 ab 4 = 16
√ n√ Finding the root of a number:
  1. √ 4 = 2
  2. n√ 2 4 = 2
sin cos tan Calculate as per sine, cosine and tangent formulas:
  1. sin 90* = 1
  2. cos 90* = 0
  3. tan 45* = 1
*Change the parameter to RAD to DEG
π Calculating pi value:
2 π 2 = 12.56637061
! Calculating the factorial of a number:
4 ! = 24
log Calculating the logarithm:
log 10 = 1
e Entering the mathematical constant e:
log 10 e = 2.718281828

Explore more about this new era of calculators, and calculating complex mathematical solutions.

Basic Calculator Scientific Calculator
Online Calculator Desmos Calculator

FAQs

Here are some frequently asked questions that you might need to know:

Our calculator is designed to handle both basic and scientific calculations. This includes simple arithmetic operations like addition, subtraction, multiplication, and division, as well as more complex functions such as trigonometric calculations, logarithms, exponentiation, and more.

Switching between basic and scientific modes is simple. Look for a 'Options' button or option within the calculator interface. By clicking or tapping this button, you can toggle between basic and scientific modes, accessing the functions you need.

Yes, our calculator is equipped to handle large numbers and complex equations. It uses advanced algorithms to ensure accuracy and efficiency in its calculations, whether you're dealing with simple arithmetic or intricate scientific problems.

Absolutely, Our calculator includes a history feature that allows you to view and review your previous calculations. This is especially useful for keeping track of your work and ensuring accuracy in your results.

Yes, there are several shortcuts and tips to make the most of the scientific functions:
  • Use parentheses to ensure the correct order of operations.
  • Familiarize yourself with common functions like sin, cos, tan for trigonometry, and log for logarithms.
  • Utilize the memory function to store and recall values as needed.

Our calculator is fully optimized for mobile use. Whether you're on a smartphone or tablet, you can access all the basic and scientific functions seamlessly. The responsive design ensures a smooth experience on any device.

Yes, our calculator is completely free to use. We believe in providing accessible and reliable tools for everyone, so you can perform your calculations without any cost.

Our calculator is designed with precision and accuracy in mind. It uses high-quality algorithms to ensure that all calculations, whether basic or scientific, are performed accurately.

We aim to provide a clean and distraction-free experience. While the calculator is free to use, we strive to keep ads minimal and unobtrusive, ensuring you can focus on your calculations.

We value your feedback, If you have any suggestions, questions, or encounter any issues, please contact via 'Email' available on the calculator page. Your input helps us improve and provide the best user experience.