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Calculator - W3Calc

Calculator by Desmos
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Online Calculator

Online Calculator - A fastreliableand easy-to-use tool for all your mathematical calculations. Perfect for studentsprofessionalsand everyday usersthis online calculator provides accurate results for basic arithmeticscientific functionsand more. Enjoy the convenience of freead-free calculations right from your browser.

There are three main types of online calculators:

  • Basic calculators: These function just like a basic handheld calculatorallowing you to perform fundamental math operations like additionsubtractionmultiplicationand division.
  • Scientific calculators: These offer more advanced features like trigonometrycalculusand statistical functions. They can be helpful for complex calculations in scienceengineeringor finance.
  • Graph calculators: A graphing calculator is a versatile mathematical tool designed for plotting graphssolving equationsand visualizing algebraic concepts. It allows users to graph functions by inputting mathematical expressionssuch as linearquadraticand trigonometric functionsand see them displayed on a coordinate plane.

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 (additionsubtractionmultiplicationdivision):
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 sinecosine 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 calculatorsand 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 additionsubtractionmultiplicationand divisionas well as more complex functions such as trigonometric calculationslogarithmsexponentiationand 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 buttonyou can toggle between basic and scientific modesaccessing the functions you need.

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

AbsolutelyOur 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.

Yesthere 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 sincostan for trigonometryand 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 tabletyou can access all the basic and scientific functions seamlessly. The responsive design ensures a smooth experience on any device.

Yesour calculator is completely free to use. We believe in providing accessible and reliable tools for everyoneso 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 calculationswhether basic or scientificare performed accurately.

We aim to provide a clean and distraction-free experience. While the calculator is free to usewe strive to keep ads minimal and unobtrusiveensuring you can focus on your calculations.

We value your feedbackIf you have any suggestionsquestionsor encounter any issuesplease contact via 'Email' available on the calculator page. Your input helps us improve and provide the best user experience.