Scientific Calculator
Handle everyday math and advanced functions in one place, including trigonometry, logarithms, powers, roots, factorials, constants, memory, and history.
Keyboard shortcuts: numbers, +, -, *, /, ^, parentheses, Enter, Backspace, Esc.
Included functions
History
Last 10Your recent calculations will appear here.
How to Use
- Enter numbers and operators using the on-screen buttons or your keyboard.
- Use scientific keys for sin, cos, tan, inverse trig, log, ln, square root, powers, factorial, π, and e.
- Switch between degree and radian mode before running trigonometric calculations.
- Press = to solve the expression, and use memory keys to store or reuse values.
Frequently Asked Questions
What is a scientific calculator used for?
A scientific calculator handles standard arithmetic plus advanced math functions like trigonometry, logarithms, exponents, roots, and factorials. It is useful for school, engineering, finance, and technical work.
When should I use degree mode vs radian mode?
Use degree mode when angles are measured in degrees, such as 30°, 45°, or 90°. Use radian mode for higher-level math, calculus, physics, and whenever an equation expects radians like π/2.
What is the difference between log and ln?
log usually means the base-10 logarithm, while ln means the natural logarithm with base e. Both are common in algebra, statistics, finance, and science.
Can I use this calculator for order of operations?
Yes. Parentheses, powers, multiplication, division, addition, and subtraction follow normal mathematical order of operations, so you can enter full expressions directly.