How do degrees and radians differ in trigonometry?

Degrees divide a circle into 360 units, while radians measure angles by the arc length of a unit circle (2π radians = 360°). 30° equals π/6 radians. Ensure you toggle the DEG/RAD button to match your problem requirements.

Can I type expressions using my keyboard?

Yes! You can directly click and type in the expression input box using your physical keyboard (supporting +, -, *, /, ^, parentheses, sqrt, etc.) or click the on-screen keypad buttons.

Math Calculators Trig & Algebra

Scientific Calculator

Evaluate complex mathematical, algebraic, and trigonometric expressions with precision order of operations and degree/radian angle switching.

Type or tap · Enter =

Evaluated Answer Solved

8.5

Trig Mode: Degrees

Active Expression sin(30) + sqrt(16) × 2

Angle Unit Degrees (DEG)

Features of a Modern Scientific Calculator

Unlike basic arithmetic calculators that only perform addition, subtraction, multiplication, and division, a scientific calculator includes capabilities for higher mathematics: trigonometric identities, inverse functions, logarithmic progressions, exponential growth, and algebraic factorials.

PEMDAS / BODMAS Order of Precedence

Parentheses → Exponents → Multiplication & Division → Addition & Subtraction

Where:

P / B = Evaluate inner expressions enclosed in brackets first
E / O = Powers and roots (e.g. 2^3, sqrt(16))
M / D = Multiplication and division, computed left-to-right
A / S = Addition and subtraction, computed left-to-right

Note: Neglecting proper bracket grouping is the leading cause of calculation discrepancies in algebra.

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Frequently Asked Questions

Common questions and clear answers about this calculator

Calculations strictly follow PEMDAS/BODMAS rules: Parentheses/Brackets, Exponents/Powers, Multiplication & Division (from left to right), and Addition & Subtraction (from left to right).