*Please note:
- WiFi (Xtar 1620mWh AAA Required)Version : Batteries are not included. XTAR 1620mWh AAA rechargeable lithium batteries are required for stable operation.
- WiFi + 4G Version: The SIM card is not included. 4G requires a nano 4G IoT SIM card (LTE CAT-1). Check this FAQ for the SIM card details.
Introducing 7-Cal | The World’s 1st AI Calculator with Camera
🤖 AI System: Use 7-Cal’s built-in AI system with GPT-5.6 Sol, Gemini 3.1, Claude Opus 4.8, and custom API options.
- Supports 50+ languages, symbols, and LaTeX-supported explanations.
- Personalize your AI with Custom Prompts, PDF file references, real-time online search, and recent conversation memory.
📸 2K Camera with Autofocus
🌐 Wi-Fi & 4G Connectivity
💬 Chatroom: Share text and images across devices. Supports up to 10 people.
📁 File Storage:
- Online Files: Text files with LaTeX support. Up to 350 KB each, about 358,400 characters. Unlimited files; up to 10 active documents can appear on 7-Cal.
- Offline Files: On-device .txt storage for faster access
✨LaTeX Display (Beta): Supports cleaner display of formulas, tables, graphs, and diagrams in AI Chat, Chatroom, and Online Files.
🧮 240+ Scientific Functions: Fully compatible with the classic 82MS scientific calculator.
🔋 Power Management: Dual-core processor + TI chip for efficient, long-lasting use.
🔄 OTA Updates: System upgrades for new features and improvements.
🔒 Privacy Mode: Custom password to enter AI mode; One tap returns to calculator mode with a random formula.
🎁 Free AI Plan Included: Comes with a 30-Day AI Plan.
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⚠️ Important Notice: 7-Cal is not intended for trial or testing purchases. Activated or used devices are not eligible for return or refund under our Return, Refund & Warranty Policy.
Appearance details such as key print color and inner packaging may vary during batch transition. Batch versions cannot be selected and will be shipped at random. These differences do not affect functionality.
All prices are displayed and charged in USD.
Reviews
The 7-Cal is a total beast. It looks like a standard scientific calculator, but the AI MODE with AI Chat and Chatroom functions is revolutionary. It features a full QWERTY digital keyboard and supports a massive variety of characters, making it perfect for complex notes and file management.
It’s durable, tactile, and feels like a stealthy workstation for any engineering student. Highly recommended for anyone needing an edge!
7 Calc is an amazing all-in-one calculator app.
What really sets it apart is the AI and ChatGPT integration, which doesn’t just give answers but actually explains them clearly. This helps a lot when you’re studying or stuck on a hard question.
The camera feature is next level — you can scan math problems directly and get instant solutions and explanations. The interface is clean, fast, and easy to use.
Overall, 7 Calc feels like a smart tutor in your pocket, not just a calculator. Definitely w
Delivery was quite fast, it arrived in perfect condition and ready to use, excellent compatibility whit 4G chip, long battery life, very discreet to use, and pretty good interface. In conclusion, it’s an excellent purchase, no complaints whatsoever, I wouldn’t think twice about before buying it again.
I received my 7-Cal device in just 6 business days, and it arrived in perfect condition with no damage. The camera is tiny and almost invisible to the naked eye, yet it works amazingly well. The AI throughout the calculator is very smart, making calculations quick, accurate, and effortless. I love how intuitive and easy it is to use, even for someone not very tech-savvy. The design is sleek, compact, and portable, so it fits anywhere without drawing attention. Overall, this device is great.