Online Scientific Calculator
Engineered for engineers, students, and scientists. Calculate trigonometric functions, exponential powers, logarithms, and roots with full operator precedence and history tape.
How to Use Scientific Calculator
Input Expression
Click on-screen numeric and function keys or type with your keyboard.
Toggle Mode
Switch between Degree (DEG) and Radian (RAD) modes for trigonometry.
Evaluate & Save
Press equals (=) to view formatted answers and track past calculations in history.
About Scientific Calculator
Parses mathematical token trees using Dijkstra's Shunting-yard algorithm to evaluate operator precedence and transcendental functions.
Operational Limits
- •Standard mathematical precision applies
Key Features
- Trigonometry: sin, cos, tan, and their inverse functions
- Logarithmic functions: natural log (ln) and base-10 log
- Powers, square roots (√), cube roots, and factorials (n!)
- Degree vs Radian angle mode toggle
- Full calculation history tape with memory recall
Frequently Asked Questions
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