Math Expression Calculator
Math Expression Calculator Introduction
The Math Expression Calculator is a web-based tool that instantly computes results based on entered mathematical expressions. It supports basic arithmetic operations, common mathematical functions, and constants. With a clean and intuitive interface, it is suitable for students, teachers, or any user needing quick mathematical calculations.
How to Use the Math Expression Calculator
1. Enter the Expression
Type the mathematical expression you wish to calculate into the "Enter Expression" text box, for example:
- 3 + 5 * 2
- (4 + 5) * 6
- 2 ^ 3 + sqrt(9)
- sin(30) + cos(60)
- log(100)
2. Calculate the Expression
You can calculate the expression in the following ways:
- Click the "Calculate" button
- Press the Enter key in the input box
3. Use Examples
If you are unsure how to enter an expression, you can:
- Click the "Example" button; the system will randomly fill in an example expression
- Then click the "Calculate" button to view the result.
Supported Operators and Functions
Basic Operators
| Operator | Description | Example |
|---|---|---|
| + | Addition | 3 + 5 |
| - | Subtraction | 7 - 2 |
| * | Multiplication | 4 * 6 |
| / | Division | 10 / 2 |
| ^ | Exponentiation | 2 ^ 3 = 8 |
| () | Parentheses | (3+5)*2 |
Mathematical Functions
| Function | Description | Example |
|---|---|---|
| sqrt(x) | Square Root | sqrt(9) = 3 |
| sin(x) | Sine Function (Degrees) | sin(Math.PI/2) |
| cos(x) | Cosine Function (Degrees) | cos(0) = 1 |
| tan(x) | Tangent Function (Degrees) | tan(Math.PI/4) |
| log(x) | Base-10 Logarithm | log(100) = 2 |
| ln(x) | Natural Logarithm (Base e) | ln(Math.E) = 1 |
Mathematical Constants
| Constant | Description | Approximate Value |
|---|---|---|
| π | Pi (Ratio of Circumference to Diameter) | 3.14159... |
| e | Base of Natural Logarithm | 2.71828... |