Fast calculator with dark mode, keyboard shortcuts & side panel. Quick math calculations in your browser!
Users
47
−7 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#112K
#93K among extensions
Version
1.0.4
updated 12 Apr 2026
Users
monthly, 8 months
Latest, 20 Oct 2026:47 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 20 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Calculator Plus - Dark Mode & Keyboard
⚡ FAST & ELEGANT CALCULATOR
Calculator Plus is a powerful, feature-rich calculator extension designed for speed and convenience. Perfect for students, professionals, and anyone who needs quick calculations while browsing!
✨ KEY FEATURES
🌙 Dark Mode
• Beautiful dark theme for night work
• Easy toggle switch
• Reduces eye strain
⌨️ Full Keyboard Support
• Type numbers directly
• Use +, -, *, / keys
• Press Enter to calculate
• Super fast workflow!
📌 Side Panel Mode
• Always visible while browsing
• Doesn't take up tab space
• Perfect for long work sessions
🔢 Complete Calculator
• Basic operations: +, −, ×, ÷
• Advanced functions: √, x², 1/x, %
• Memory system: MC, MR, M+, M-
• History display shows your calculations
🎨 Modern Windows Design
• Clean, professional interface
• Large display for easy reading
• Smooth animations
• Responsive layout
💡 WHY CHOOSE CALCULATOR PLUS?
✓ 100% Free - No ads, no subscriptions
✓ Privacy-focused - No data collection
✓ Lightning fast - Opens instantly
✓ Keyboard shortcuts - Work faster
✓ Dark mode - Easy on the eyes
✓ Side panel - Always accessible
✓ Offline mode - Works without internet
🎯 PERFECT FOR:
• Students doing homework
• Professionals at work
• Online shopping calculations
• Quick tip calculations
• Currency conversions
• Percentage calculations
• Daily math tasks
🚀 HOW TO USE:
1. Click the calculator icon
2. Use mouse or keyboard
3. Toggle dark mode anytime
4. Open side panel for more space
No complicated setup. Just install and calculate!
📊 KEYBOARD SHORTCUTS:
• 0-9: Numbers
• +, -, *, /: Operations
• Enter or =: Calculate
• Backspace: Delete
• Esc: Clear all
• %: Percentage
Download now and make calculations easier! 🧮✨