General
Scientific Calculator
Full scientific calculator with trigonometry, logarithms, powers, factorial, constants (π, e), memory functions, DEG/RAD toggle, and keyboard support.
DEG
0
History
How is this calculated?
Expressions evaluated using JavaScript Math library
Trig: sin/cos/tan convert DEG→RAD internally when in DEG mode
rad = deg × (π / 180)
Logarithms: log = log₁₀, ln = logₑ
Factorial: n! = n × (n-1) × ... × 1 (iterative)
Order: PEMDAS/BODMAS via expression parserFAQ
Frequently asked questions
What is the difference between a standard and scientific calculator?
Standard calculators only handle basic arithmetic, while scientific calculators include functions for algebra, trigonometry, and engineering.
How do I calculate logarithms?
Use the 'log' button for base-10 logarithms, and the 'ln' button for natural (base-e) logarithms.
Does this calculator support Degrees and Radians?
Yes, you can toggle between DEG (degrees) and RAD (radians) modes for trigonometric calculations.
What does the 'e' symbol mean?
In scientific notation, 'e' stands for exponent (e.g., 5e3 = 5000). As a mathematical constant, 'e' is Euler's number (~2.718).
Can I use parentheses to order operations?
Yes, the calculator strictly follows the order of operations (PEMDAS/BODMAS) when parentheses are used.