About the Scientific Calculator
A scientific calculator evaluates mathematical expressions with support for algebra, trigonometry, logarithms, and exponentials. This implementation uses a shunting-yard parser and reverse Polish evaluator — no eval, so expressions are safely evaluated client-side.
Frequently asked questions
Does it support radians and degrees?
Yes — toggle RAD / DEG at the top of the keypad. Trigonometric functions automatically apply the correct conversion.
Can I use the keyboard?
Yes — type any expression directly. Press Enter to evaluate; Escape to clear. The 'Ans' key references the last computed result.