Scientific Calculator: frequently asked questions
Straight answers to the questions people ask most about the Scientific Calculator.
What functions are available?
The calculator includes arithmetic, trigonometry (sin, cos, tan and inverses), powers and roots, logarithms, constants like pi and e, and full bracket grouping for complex expressions.
Do I need to choose degrees or radians?
Yes, for trig functions. The angle mode determines how sin, cos, and tan interpret their inputs, so pick the one that matches your problem (degrees for angles like 90°, radians for values like π).
Does it follow the correct order of operations?
The calculator applies standard mathematical precedence: brackets, exponents, multiplication and division, then addition and subtraction.
Can I build long expressions?
Yes. Multi-line input lets you compose lengthy calculations, and results update instantly as you type.
Verdict
For a free, reliable, full-featured math tool with instant results, the Scientific Calculator has you covered.