Update README.md

README.md

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 Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# Scientific Calculator
+
+This is a scientific calculator built with Gradio and FastAPI. It provides a user-friendly interface for performing various mathematical operations, including basic arithmetic and advanced functions like trigonometry and logarithms.
+
+## Features
+
+- Basic arithmetic operations: addition, subtraction, multiplication, division
+- Advanced functions: sin, cos, tan, log, ln, sqrt
+- Constants: π (pi) and e
+- Calculation history
+- Error handling for invalid expressions
+
+## How to Use
+
+1. Enter your mathematical expression using the buttons or by typing directly into the display field.
+2. Press the "=" button or hit Enter to calculate the result.
+3. The result will be displayed in the large result field.
+4. The last 5 calculations will be shown in the history section.
+
+## Running the App
+
+This app is designed to run on Hugging Face Spaces. Simply clone this space and it will automatically deploy and run the application.
+
+## Dependencies
+
+- gradio
+- fastapi
+- pydantic
+
+Enjoy calculating!