Scientific Calculator
Free online scientific calculator with trig, logarithms, powers, memory, and degree/radian modes.
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Frequently Asked Questions
Does this support order of operations?+
Yes. Multiplication and division are evaluated before addition and subtraction, following standard mathematical order of operations (PEMDAS).
What is the difference between DEG and RAD?+
DEG (degrees) uses 0-360° for angles. RAD (radians) uses 0-2π. Most everyday calculations use degrees. Switch to radians for calculus or physics.