Scientific Calculator

web2.0calc.com online calculator provides basic and advanced mathematical functions useful for school or college. You can operate the calculator directly from your keyboard, as well as using the buttons with your mouse. Become a fan!

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Math Formula Display

0.2^(1-sqrt(2.5))/sqrt3(125^2-0.3^3)-cos(pi/sqrt(5))

Large Number Support

Equation Solver

Calculator Widgets

Quick Start Guide

This guide will give you informative instructions on how to use this calculator effectively.

Chapter 1: Mouse Input

Click the buttons to input a math formula or equation like on a pocket calculator.

Chapter 2: Keyboard Input

If you prefer keyboard input of math formulas, you can type directly into the input bar. Pressing ↵ starts the calculation.

Chapter 3: Functions

To calculate a function like 'sine' with an argument like 90, input the corresponding function name followed by the argument 90 in parentheses. Example: sin(90)