About Our Free Online Basic Calculator
Our free online basic calculator is a powerful, easy-to-use tool that performs both simple arithmetic and advanced mathematical calculations. Whether you need to do quick addition, subtraction, multiplication, and division, or complex scientific functions like trigonometry and logarithms, our calculator has you covered.
Key Features
- Basic Arithmetic: Addition (+), Subtraction (-), Multiplication (×), Division (÷)
- Scientific Functions: Sin, Cos, Tan, Log, Natural Log, Square Root
- Advanced Operations: Power (x^y), Factorial (x!), Mathematical Constants (Ï€, e)
- Calculation History: Keep track of your previous calculations
- Mobile Responsive: Works perfectly on desktop, tablet, and mobile devices
How to Use the Basic Calculator
- Enter Numbers: Click the number buttons (0-9) or use your keyboard to input numbers
- Select Operations: Choose from basic operations (+, -, ×, ÷) or scientific functions
- View Results: Press the equals (=) button to see your calculation result
- Use History: Review your previous calculations in the history panel
- Clear Functions: Use AC (All Clear), CE (Clear Entry), or backspace to modify your input
Scientific Calculator Functions Explained
Trigonometric Functions
Sin, Cos, Tan: Calculate sine, cosine, and tangent of angles. Input angles in radians for accurate results.
Logarithmic Functions
Log, Ln: Calculate base-10 logarithm (log) and natural logarithm (ln) of positive numbers.
Power and Root Functions
x^y, √: Calculate powers and square roots for advanced mathematical operations.
Special Functions
x!, π: Calculate factorials and use mathematical constants like pi (π) in your calculations.
Why Choose Our Online Calculator?
Our basic calculator combines simplicity with power, offering both elementary arithmetic and advanced scientific functions in one convenient tool. It's completely free, requires no download or installation, and works on any device with a web browser. The intuitive interface makes it perfect for students, professionals, and anyone who needs reliable mathematical calculations.