Calculator – History, Themes, Offline

About

Calculator Extension for Chrome is a lightweight, high-performance tool designed for quick, accurate calculations—no sign-up, no clutter, and 100% free to use.
Whether you’re crunching numbers for work or solving daily math problems, Calculator Extension delivers a smooth experience with essential operations, smart history tracking, and offline support.

Customize your theme, switch between traditional or digital operator symbols, and enjoy full keyboard input support for faster workflows—right inside your browser.

➤ Key Features

• Instant Calculations – Perform addition, subtraction, multiplication, division, percentage, and exponentiation with lightning speed and reliable accuracy.
• Smart Input Handling – Automatically trims incomplete expressions (like trailing operators) and supports negative numbers and strict operator precedence.
• History Tracking – View up to 100 past calculations and easily reuse any of them with a single click—no typing needed.
• Keyboard Shortcuts – Enjoy a fully keyboard-accessible experience, from number input to deleting digits, clearing entries, and evaluating results.
• Theme Switching – Toggle seamlessly between Light and Dark modes for comfortable viewing at any time.
• Operator Style Options – Choose between familiar traditional math symbols (×, ÷, +, −) or clean digital operators (*, /, +, -).
• Fully Offline – Use all features without an internet connection. Your calculations and history remain available anytime, anywhere.

➤ How It Works

• Enter Your Expression – Type directly using your keyboard or click buttons to input numbers and operations.
• Evaluate Instantly – Hit Enter or click '=' to compute the result. The calculator handles incomplete or malformed inputs gracefully.
• Reuse Past Results  –  Open the history panel and quickly reload any previous calculation for editing and re-evaluation with a single click.

➤ Perfect For

✔ Everyday Math
✔ Quick Budgeting
✔ Office Work
✔ Students & Teachers
✔ Developers & Power Users
✔ Anyone who values speed and simplicity

➤ Frequently Asked Questions

Q: What math operations are supported?
A: The calculator handles addition (+), subtraction (−), multiplication (×), division (÷), percentage (%), and exponentiation (^), all with proper precedence rules.

Q: Can I recall previous calculations?
A: Yes! You can access up to 100 past entries in the History tab and reuse any of them instantly with a single click.

Q: Does the calculator support parentheses?
A: No. Parentheses are not currently supported. The calculator evaluates expressions based on standard operator precedence.

Q: How do I change themes?
A: Simply toggle the theme switcher to switch between Light and Dark modes. The interface updates instantly.

Q: What are traditional vs digital operator symbols?
A: Traditional symbols like (×, ÷, +, −) are visually standard in printed math. Digital symbols (*, /, +, -) are more common in programming. You can choose your preferred style in settings.

Q: Can I use the calculator offline?
A: Yes! This extension is fully offline-capable. All features—including history and theming—work without internet access.

Q: Does it support keyboard input?
A: Absolutely. You can use keyboard keys for all numbers, operators, and functions like clearing or deleting.

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➤ Need Help or Have Questions?

Reach out to us at [email protected] for support, suggestions, or feedback.