Toolzie

How to Use the Calculator

Click buttons or use keyboard for math. Supports basic operations and scientific functions (trig, roots, exponents). Real-time results.

Reliable, fast calculator on any device. Quick arithmetic or complex science—always browser-available.

Frequently Asked Questions

Scientific?

Yes, includes trig, logarithms, roots, exponents, constants.

Keyboard?

Yes, type numbers/operators; Enter=calculate, Escape=clear.

Order of operations?

Yes, respects PEMDAS/BODMAS.

History?

Shows current expression; recent results available.

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About This Tool

A clean, fast, and fully functional online calculator for everyday arithmetic. The Toolzie Calculator supports addition, subtraction, multiplication, division, percentages, and bracket expressions — works great on desktop and mobile.

How to Use

  1. Click the number and operator buttons or use your keyboard to enter an expression.
  2. Use parentheses for complex calculations.
  3. Press = or Enter to see the result.
  4. Press C or Escape to clear and start a new calculation.

Frequently Asked Questions

Can I use my keyboard with this calculator?

Yes — all number keys, operators (+, -, *, /), Enter for equals, and Escape to clear are fully supported.

Does it support percentages?

Yes — press the % button to calculate percentages (e.g. 200 × 15% = 30).

How do I calculate with brackets?

Use the ( and ) buttons to group parts of your expression, e.g. (5 + 3) × 4.

Does it remember previous calculations?

Your current session shows recent results — refresh the page to start fresh.