Online Scientific Calculator
Solve complex equations instantly. Features trigonometry, logarithms, roots, and exponent functions with support for both Degrees and Radians.
Core Mathematical Functions
Master the advanced features provided on standard scientific calculators used in classrooms worldwide.
Trigonometry
Calculate Sine (sin), Cosine (cos), and Tangent (tan) and their inverses. Crucial for physics vectors, geometry, and resolving right triangles. Pay attention to your DEG/RAD mode!
Exponents & Roots
Quickly square numbers (x²), find square roots (√), or raise any base to any power (a^b). Used heavily in calculating area, volume, and physics equations (like KE = ½mv²).
Logarithms
Evaluate base-10 logarithms (log) and natural logarithms (ln) based on Euler\'s number (e). Common in chemistry (pH calculations) and analyzing exponential decay.
Frequently Asked Questions
What is the difference between a standard calculator and a scientific calculator?
A standard calculator handles basic arithmetic (+, -, ×, ÷). A scientific calculator includes features necessary for advanced mathematics, chemistry, and physics, such as trigonometric functions (sine, cosine, tangent), logarithms, exponents, scientific notation, and mathematical constants like Pi (π) and Euler's number (e).
When should I use Radians (RAD) vs Degrees (DEG)?
Degrees are typically preferred in early geometry and trigonometry classes, where a full circle is 360°. Radians are preferred in calculus and higher-level mathematics because they simplify derivative and integration formulas. By default, most physics problems are in degrees unless specified otherwise, while calculus is almost exclusively in radians.
How do I calculate an exponent or power?
Use the `x²` button to square a number instantly, or use the `a^b` button (which may display as `^`) to raise a number to any power. For example, to calculate 2 to the power of 5, enter `2`, then `^`, then `5`, and press `=`. You can also use the `sqrt` button for square roots.
What do the "inverse" trig functions (sin⁻¹, cos⁻¹, tan⁻¹) do?
Inverse trigonometric functions (also known as arcsin, arccos, and arctan) are used to find an angle when you already know the ratio of the sides of a right triangle. For example, if you know the sine of an angle is 0.5, using `sin⁻¹(0.5)` will tell you the angle is 30 degrees (if in DEG mode).
More Math & Science Calculators
From basic arithmetic to advanced physics, we have the tools to solve your problems.
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Calculate sig figs and perform additions, subtractions, multiplications with correct rounding.
Standard Deviation Calculator
Calculate population and sample standard deviation, variance, and mean.
Kinematic Equations Calculator
Solve physics problems involving velocity, acceleration, time, and displacement.
Quadratic Formula Calculator
Find real and complex roots of quadratic equations automatically.
Density Calculator
Calculate mass, volume, or density of various materials and substances.
Logarithm Calculator
Calculate logarithms for any base, including natural log (ln) and common log (log10).
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