Trigonometry and exponents
Evaluate common trig expressions, powers, and roots without expanding steps by hand.
Calculator
Use this online scientific calculator for trigonometry, powers, roots, percentages, and advanced browser-based calculations.
Tap a row to load the expression again.
CE / AC: CE clears the expression only; AC clears everything including the result and ans.
Trig: sin(30 deg), cos(pi/3) (radians if you omit deg).
Matrices: [1,2;3,4], det(…).
Reformat: change Format or Digits after evaluating — the last result updates instantly. Layout borrows ideas from common scientific calculators such as Calculator.net.
Work through trigonometry, powers, roots, percentages, and everyday arithmetic from one browser calculator—no desktop utility required.
Use the calculator for coursework, engineering checks, spreadsheet cross-checks, and quick numerical verification while reading docs or code.
Grade-weighted averages belong on the Grade Calculator. Age and date spans use the Age Calculator. Integer factoring and base work continue under Number Tools.
Evaluate common trig expressions, powers, and roots without expanding steps by hand.
Check discounts, increases, margins, measurements, and other percentage-based everyday work.
Verify intermediate results while solving larger calculations alongside spreadsheets or documentation.
Continue with the Grade Calculator, Age Calculator, or browse Number Tools for bases and factors.