Scientific Calculator - Free Online Functions
Full scientific calculator with trig and logarithms.
Tool Interface
Scientific Calculator
Full scientific calculator with trigonometry, logarithms, and exponents.
How to use
Tap buttons to build an expression, then press = for the result. Use DEG for degrees or RAD for radians in trig functions. C clears, backspace deletes the last entry.
Rate this tool
About This Tool
Frequently Asked Questions (FAQ)
What can I calculate with it?
Beyond basic arithmetic it handles trigonometry, logarithms, exponents, square and cube roots, factorials and nested parentheses for complex expressions.
How do I enter a complex expression?
Type it directly or click the buttons, using parentheses to control the order of operations exactly as in written math.
Does it follow the order of operations?
Yes. It evaluates parentheses first, then exponents and roots, then multiplication and division, then addition and subtraction.
Is my calculation data private?
Yes. Everything runs locally in your browser. Nothing you type is uploaded or stored anywhere.
Is the scientific calculator free?
Yes. It is free to use with no signup and no limits.