1. What Is Scientific Calculator EX?

Scientific Calculator EX is an advanced online tool that performs various mathematical calculations including basic arithmetic, trigonometric functions, logarithmic operations, and more complex mathematical expressions.

2. How Does The Calculator Work?

The calculator evaluates mathematical expressions using PHP's evaluation capabilities:

Where:

• Expression — Any valid mathematical expression
• Result — Computed value of the expression

Explanation: The calculator parses and evaluates mathematical expressions following standard order of operations (PEMDAS).

3. Supported Functions And Operations

Details: The calculator supports basic arithmetic (+, -, *, /), trigonometric functions (sin, cos, tan), logarithmic functions (log), constants (pi), and parentheses for grouping expressions.

4. Using The Calculator

Tips: Enter a valid mathematical expression in the input field. Use standard mathematical notation. For trigonometric functions, angles are in radians by default.

5. Frequently Asked Questions (FAQ)

Q1: What mathematical operations are supported?
A: The calculator supports basic arithmetic, trigonometric functions, logarithmic functions, and parentheses for expression grouping.

Q2: How precise are the calculations?
A: Calculations are performed with floating-point precision and results are rounded to 6 decimal places for display.

Q3: Can I use variables in expressions?
A: No, the calculator only evaluates constant expressions with supported functions and operations.

Q4: Are complex numbers supported?
A: No, the calculator currently only supports real number calculations.

Q5: What happens if I enter an invalid expression?
A: The calculator will display an error message indicating the expression is invalid.