Scientific Calculator
Perform advanced mathematical calculations online with a free scientific calculator for arithmetic, powers, roots, logarithms, trigonometry, percentages, and more.
Choose your angle mode, enter an expression, and calculate results instantly without installing any software.
Advanced Scientific Calculator
Enter an expression using the buttons below or your keyboard.
Keyboard support: numbers, +, −, ×, ÷, parentheses, decimal point, Enter, Backspace, and Escape.
How to Use the Scientific Calculator
Enter numbers and mathematical operators using the calculator keypad or your computer keyboard. You can combine arithmetic operations with parentheses, powers, roots, logarithms, trigonometric functions, and constants.
- Choose DEG for degrees or RAD for radians.
- Enter your mathematical expression.
- Use scientific functions such as sin, cos, tan, log, ln, √, and x² when needed.
- Press Calculate or the Enter key to calculate the result.
- Use the memory buttons when you need to temporarily store a number.
Scientific Calculator Functions
This calculator is designed for both everyday arithmetic and more advanced mathematical work. It includes common scientific functions without requiring a separate desktop application.
| Function | Purpose | Example |
|---|---|---|
| Basic arithmetic | Add, subtract, multiply, and divide numbers. | 25 + 15 |
| Power | Raise one number to another power. | 2^8 |
| Square root | Calculate the square root of a number. | √144 |
| Trigonometry | Calculate sine, cosine, and tangent. | sin(30) |
| Inverse trigonometry | Calculate inverse sine, cosine, and tangent. | sin⁻¹(0.5) |
| Logarithms | Calculate common and natural logarithms. | log(100) |
| Factorial | Calculate the factorial of a non-negative integer. | 5! |
| Percentage | Convert a number to a percentage value. | 25% |
Scientific Calculator Examples
Here are some examples of calculations you can perform with the calculator.
| Calculation | Result |
|---|---|
| 2 + 8 × 5 | 42 |
| √144 | 12 |
| 2^10 | 1,024 |
| 5! | 120 |
| log(100) | 2 |
| sin(30°) | 0.5 |
Frequently Asked Questions
What is a scientific calculator?
A scientific calculator is designed to perform both basic arithmetic and advanced mathematical operations such as trigonometry, logarithms, powers, roots, and factorials.
What is the difference between DEG and RAD?
DEG means degrees and RAD means radians. These modes determine how trigonometric functions such as sine, cosine, and tangent interpret angles.
Can I use the calculator with my keyboard?
Yes. You can enter numbers and common arithmetic operators using your keyboard. Enter calculates the expression, Backspace removes the last character, and Escape clears the calculator.
Is this scientific calculator free?
Yes. CalclyWorld's scientific calculator is free to use online without installing a separate application.
Can I calculate trigonometric functions?
Yes. The calculator includes sine, cosine, tangent, and their inverse functions. You can switch between degree and radian modes.