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| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> | |
| <title>Calculator & Function Plotter</title> | |
| <script type="module" src="https://cdn.jsdelivr.net/npm/@gradio/lite/dist/lite.js"></script> | |
| <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@gradio/lite/dist/lite.css" /> | |
| </head> | |
| <body> | |
| <gradio-lite> | |
| <gradio-requirements> | |
| numpy | |
| matplotlib | |
| </gradio-requirements> | |
| <gradio-file name="app.py" entrypoint> | |
| import gradio as gr | |
| import numpy as np | |
| import matplotlib.pyplot as plt | |
| # ---------- Basic Calculator ---------- | |
| def calculate(num1, operation, num2): | |
| try: | |
| num1 = float(num1) | |
| num2 = float(num2) | |
| except (TypeError, ValueError): | |
| return "Enter valid numbers" | |
| if operation == "+": | |
| result = num1 + num2 | |
| elif operation == "-": | |
| result = num1 - num2 | |
| elif operation == "×": | |
| result = num1 * num2 | |
| elif operation == "÷": | |
| if num2 == 0: | |
| return "Error: Division by zero" | |
| result = num1 / num2 | |
| elif operation == "^": | |
| result = num1 ** num2 | |
| else: | |
| return "Unknown operation" | |
| return f"Result: {result}" | |
| # ---------- Function Plotter ---------- | |
| def plot_function(expression, x_min, x_max): | |
| try: | |
| x = np.linspace(float(x_min), float(x_max), 400) | |
| allowed_names = { | |
| "x": x, "np": np, "sin": np.sin, "cos": np.cos, "tan": np.tan, | |
| "exp": np.exp, "log": np.log, "sqrt": np.sqrt, "pi": np.pi, | |
| "abs": np.abs | |
| } | |
| y = eval(expression, {"__builtins__": {}}, allowed_names) | |
| fig, ax = plt.subplots(figsize=(6, 4)) | |
| ax.plot(x, y, color="#2563eb", linewidth=2) | |
| ax.axhline(0, color="black", linewidth=0.5) | |
| ax.axvline(0, color="black", linewidth=0.5) | |
| ax.set_title(f"y = {expression}") | |
| ax.grid(True, alpha=0.3) | |
| return fig | |
| except Exception as e: | |
| fig, ax = plt.subplots(figsize=(6, 4)) | |
| ax.text(0.5, 0.5, f"Error: {e}", ha="center", va="center", color="red") | |
| ax.axis("off") | |
| return fig | |
| with gr.Blocks(title="Calculator + Graph Plotter") as demo: | |
| gr.Markdown("# 🧮 Calculator & Function Plotter") | |
| with gr.Tab("Basic Calculator"): | |
| with gr.Row(): | |
| num1 = gr.Number(label="First Number") | |
| operation = gr.Dropdown(["+", "-", "×", "÷", "^"], label="Operation", value="+") | |
| num2 = gr.Number(label="Second Number") | |
| calc_btn = gr.Button("Calculate", variant="primary") | |
| calc_output = gr.Textbox(label="Output") | |
| calc_btn.click(calculate, inputs=[num1, operation, num2], outputs=calc_output) | |
| with gr.Tab("Function Plotter"): | |
| expr = gr.Textbox(label="Function of x (e.g. sin(x), x**2 + 3*x - 1)", value="sin(x)") | |
| with gr.Row(): | |
| x_min = gr.Number(label="x min", value=-10) | |
| x_max = gr.Number(label="x max", value=10) | |
| plot_btn = gr.Button("Plot", variant="primary") | |
| plot_output = gr.Plot(label="Graph") | |
| plot_btn.click(plot_function, inputs=[expr, x_min, x_max], outputs=plot_output) | |
| demo.launch() | |
| </gradio-file> | |
| </gradio-lite> | |
| </body> | |
| </html> |