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Calculator

Online Scientific Calculator

Use this online scientific calculator for trigonometry, powers, roots, percentages, and advanced browser-based calculations.

  • Browser-based
  • No upload
  • Instant
Expression & keypad Enter evaluates · Shift+Enter new line
M
Result
Format
History

    Tap a row to load the expression again.

    Functions & tips

    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.

    More calculators: Factoring · Grade · Age

    About the Scientific Calculator

    Work through trigonometry, powers, roots, percentages, and everyday arithmetic from one browser calculator—no desktop utility required.

    Scientific and everyday calculations together

    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.

    Trigonometry and exponents

    Evaluate common trig expressions, powers, and roots without expanding steps by hand.

    Percentages and ratios

    Check discounts, increases, margins, measurements, and other percentage-based everyday work.

    Quick formula checks

    Verify intermediate results while solving larger calculations alongside spreadsheets or documentation.