General Questions

Basic Calculator Onlineis a professional, web-based calculator application built with ASP.NET MVC. It provides a fast, reliable, and user-friendly interface for performing basic mathematical operations including addition, subtraction, multiplication, and division.

Our calculator runs entirely in your browser, ensuring instant calculations without any server delays. It also includes features like calculation history, keyboard support, and a beautiful modern design.

Yes, Basic Calculator Onlineis completely free to use! There are no hidden fees, subscriptions, or premium features locked behind a paywall. We believe that everyone should have access to a high-quality calculator tool.

No, you don't need to create an account to use Basic Calculator Online. The calculator is available immediately when you visit our website. Your calculation history is stored locally in your browser, so you can access it without logging in.

Basic Calculator Onlineis designed to work on all modern devices and browsers:

  • Desktop: Chrome, Firefox, Safari, Edge, Opera
  • Mobile: iOS Safari, Android Chrome, Samsung Internet
  • Tablets: iPad, Android tablets

Our responsive design ensures a great experience on any screen size.

Currently, Basic Calculator Onlinerequires an internet connection for the initial page load. However, once the page is loaded, all calculations are performed locally in your browser, so you can continue using it even if your connection becomes unstable.

Features

Basic Calculator Onlinecurrently supports the following basic operations:

  • Addition (+) - Add numbers together
  • Subtraction (−) - Subtract numbers
  • Multiplication (×) - Multiply numbers
  • Division (÷) - Divide numbers
  • Modulo (%) - Get the remainder of division

We're working on adding more advanced features like scientific calculations in future updates!

The history feature automatically saves your recent calculations. Here's how it works:

  • Up to 20 calculations are saved
  • History is stored in your browser's local storage
  • Click any history item to load that result into the calculator
  • Use the "Clear" button to delete all history
  • History persists even after closing the browser

Basic Calculator Onlinesupports full keyboard input for faster calculations:

0-9 Numbers
+ Addition
- Subtraction
* Multiplication
/ Division
. Decimal point
Enter Calculate
Backspace Delete last digit
Esc Clear all

Yes! Basic Calculator Onlineincludes a dark mode option. Click the moon icon in the navigation bar to toggle between light and dark themes. Your preference is saved automatically for future visits.

Technical

Basic Calculator Onlineuses JavaScript's native number handling with additional precision measures. We round results to 12 decimal places to avoid common floating-point precision issues.

For most everyday calculations, you can expect highly accurate results. However, for scientific or financial applications requiring extreme precision, we recommend specialized tools.

Basic Calculator Onlinehandles division by zero gracefully. Instead of crashing or showing confusing errors, the calculator will display a friendly "Cannot divide by zero" message. The calculator will automatically reset after a couple of seconds so you can continue with new calculations.

Yes, Basic Calculator Onlinehas some practical limits:

  • Input: Up to 15 digits can be entered
  • Results: Extremely large numbers will show "Result is too large"
  • Precision: Results are rounded to 12 decimal places

These limits ensure the calculator remains accurate and user-friendly for typical calculations.

Basic Calculator Onlineis built using modern web technologies:

  • Backend: ASP.NET Core MVC (.NET 8)
  • Frontend: HTML5, CSS3, JavaScript (ES6+)
  • Styling: Bootstrap 5, Custom CSS
  • Icons: Bootstrap Icons

All calculations are performed client-side using JavaScript for instant results.

Privacy & Security

Absolutely! Basic Calculator Onlineis designed with privacy in mind:

  • All calculations happen in your browser - nothing is sent to our servers
  • Your calculation history is stored locally on your device only
  • We don't collect, track, or store any of your calculation data
  • No personal information is required to use the calculator

We collect minimal data necessary for website operation:

  • Basic analytics (page views, browser type) - anonymized
  • No personal calculation data is ever collected or stored
  • Optional: Contact form submissions if you reach out to us

For complete details, please read our Privacy Policy.

You can clear your locally stored data in several ways:

  • History: Click the "Clear" button in the history panel
  • Theme preference: Clear your browser's local storage
  • All data: Clear your browser's cache and local storage

Support

Found a bug? We'd love to hear about it so we can fix it! Please:

  1. Go to our Contact page
  2. Select "Report a Bug" as the subject
  3. Describe the issue in detail (what you did, what happened, what you expected)
  4. Include your browser and device information if possible

Absolutely! We love hearing from our users. Send us your feature suggestions through our Contact page and select "Feedback & Suggestions" as the subject.

Popular requested features may be added in future updates!

You can reach us through several channels:

  • Contact Form: Contact page
  • Email: [email protected]
  • Phone: +8801674411603 (Mon-Fri, 9AM-6PM PST)
  • Social Media: Follow us on Twitter, Facebook, or LinkedIn