Can I type fractions and roots directly?

Yes. Type / to create a fraction, ^ for powers, and sqrt or the root button to create a square root.

Does the calculator support DEG and RAD mode?

Yes. Use DEG for degree inputs such as sin(30) and RAD for radian inputs such as sin(pi/6).

Online scientific calculator

Scientific Calculator

Enter fractions, square roots, powers, trigonometry, and logarithms with readable 2D math input. Switch between DEG and RAD before evaluating angle expressions.

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Scientific Calculator

Use a scientific calculator with readable 2D math input for fractions, square roots, powers, trigonometry, logarithms, and DEG/RAD calculations.

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Featured guides

Start with the idea, not just the answer

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Algebra Order of Operations Evaluate expressions consistently using grouping, exponents, multiplication and division, then addition and subtraction. Arithmetic Simplifying Fractions Learn how to reduce a fraction using common factors and the greatest common divisor, with worked examples and checks. Trigonometry Degrees and Radians Compare degree and radian angle measure, convert between them, and choose the correct calculator mode. Logarithms Logarithms Understand a logarithm as an exponent, evaluate simple logs, and recognize the domain and base restrictions. Algebra The Quadratic Formula Understand where the quadratic formula comes from, what each term does, and how to use it without sign errors. Number Systems Scientific Notation Write very large and very small values as a coefficient times a power of ten and calculate with them correctly.

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Arithmetic

Build reliable number skills with fractions, mixed numbers, place value, and significant figures.

4 guides Algebra

Learn how equations, exponents, and operation rules work instead of memorizing isolated steps.

6 guides Trigonometry

Connect angles, the unit circle, trigonometric ratios, identities, degrees, and radians.

5 guides Logarithms

Understand logarithms as exponents, compare common and natural logs, and apply log rules correctly.

3 guides Number Systems

Explore scientific notation, irrational numbers, square roots, e, and the complex number system.

6 guides

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A calculator is most useful when the method is visible

Definitions and conventions are checked against resources from NIST, BIPM, and OpenStax. Last reviewed: July 26, 2026.