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• Create Date October 5, 2026
• Last Updated October 5, 2026

Real Professional Scientific & Geometry Calculator

Welcome to the Real Professional Calculator. This is a smart, easy-to-use calculator for both basic and advanced math. It is an HTML file that works directly in your web browser (like Chrome, Edge, or Safari) without needing an internet connection.

Key Features:

• Basic Math: Add, subtract, multiply, and divide easily.

• Trigonometry: Calculate Sin, Cos, and Tan functions using π (Pi).

• Geometry Mode: It can draw shapes like a Triangle, Circle, and Square right on the screen.

• Equation Solver: It solves circle equations (like X² + Y² = 90) to automatically find the radius and exact coordinates.

How to Use:

1. Click the download button to get the .html file.

2. Double-click the downloaded file to open it in your web browser.

3. Use the on-screen buttons or your computer keyboard to type numbers and symbols. Press 'Enter' to get your answer.