Scientific Calculator
Advanced mathematical functions including trigonometric, logarithmic, exponential, and more. Free online scientific calculator for students, engineers, and professionals.
Note:Scientific calculator operations follow standard mathematical order of operations (PEMDAS). For critical calculations, always verify results manually or with additional tools.
Smart Tips
• Use parentheses to control order of operations in complex expressions
• Switch between degrees and radians for trigonometric functions as needed
• Memory functions (M+, M-, MR, MC) help store intermediate results
• Scientific notation is useful for very large or very small numbers
The Formula
Parentheses, Exponents, Multiply/Divide, Add/Subtract
sin, cos, tan, log, ln, sqrt, etc.
Use parentheses to group operations correctly
Scientific Functions Explained
| Function | Description | Example |
|---|---|---|
| sin(x) | Sine function (input in radians) | sin(π/2) = 1 |
| cos(x) | Cosine function (input in radians) | cos(0) = 1 |
| tan(x) | Tangent function (input in radians) | tan(π/4) = 1 |
| log(x) | Base-10 logarithm | log(100) = 2 |
| ln(x) | Natural logarithm (base e) | ln(e) = 1 |
| x^y | x raised to the power of y | 2^3 = 8 |
| sqrt(x) | Square root of x | sqrt(16) = 4 |
| |x| | Absolute value of x | |-5| = 5 |
| e^x | Exponential function | e^1 = 2.718 |
| x! | Factorial of x | 5! = 120 |
Key Insights
Trigonometric Functions
Use sin, cos, and tan for angle calculations. These functions work with radians by default and are essential for geometry and physics problems.
Logarithmic Functions
Log (base-10) and ln (natural log) help solve exponential equations and are crucial for scientific and engineering calculations.
Order of Operations
Use parentheses to group operations and ensure calculations follow the correct mathematical order (PEMDAS).
Power Functions
Use the power (^) button for exponentiation and square root (√) for finding roots. Essential for advanced mathematical operations.