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import gradio as gr
import rpy2.robjects as robj
from rpy2.robjects import default_converter
from rpy2.robjects.conversion import localconverter
# define R functions globally
robj.r("""
add <- function(x,y) { return(x + y) }
multiply <- function(x,y) { return(x * y) }
sub <- function(x,y) { return(x - y) }
div <- function(x,y) { return(x / y) }
""")
def arithmetic(num1, num2, operation):
"""
Perform arithmetic operations on two numbers.
Args:
num1 (int or float): The first number.
num2 (int or float): The second number.
operation (str): The operation to perform. Can be "Add", "Multiply", "Subtract", or "Divide".
Returns:
int or float: The result of the arithmetic operation.
"""
with localconverter(default_converter):
if operation == "Add":
res = robj.r(f"add({num1}, {num2})")
elif operation == "Multiply":
res = robj.r(f"multiply({num1}, {num2})")
elif operation == "Subtract":
res = robj.r(f"sub({num1}, {num2})")
elif operation == "Divide":
res = robj.r(f"div({num1}, {num2})")
return res[0]
with gr.Blocks(
title="R-Powered Calculator",
theme=gr.themes.Glass(text_size='lg'),
# css="footer {display: none !important;}"
) as app:
gr.HTML(
"<h1 style='text-align:center;'><strong>R-Powered Calculator</strong></h1>"
)
with gr.Row():
num1 = gr.Number(label="Number 1")
num2 = gr.Number(label="Number 2")
with gr.Column():
operation = gr.Radio(
choices=["Add", "Multiply", "Subtract", "Divide"],
value="Add",
label="Choose Arithmetic Operation",
min_width=100,
scale=0.3
)
with gr.Row():
submit = gr.Button("Run Operation")
with gr.Column():
gr.HTML("<h2 style='text-align:center;'><strong>Arithmetic Operation Result</strong></h2>")
result = gr.Number()
submit.click(arithmetic, inputs=[num1, num2, operation], outputs=[result])
app.launch(server_name="0.0.0.0", server_port=7860, mcp_server = True)
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