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import streamlit as st
import plotly.graph_objs as go
import numpy as np
# Basic arithmetic functions
def add(x, y):
return x + y
def subtract(x, y):
return x - y
def multiply(x, y):
return x * y
def divide(x, y):
if y == 0:
return "Error! Division by zero."
return x / y
# Advanced mathematical functions
def power(x, y):
return x ** y
def square_root(x):
if x < 0:
return "Error! Cannot calculate square root of a negative number."
return x ** 0.5
def logarithm(x, base=10):
if x <= 0:
return "Error! Logarithm is undefined for non-positive numbers."
return np.log(x) / np.log(base)
# Trigonometric functions
def sin(x):
return np.sin(x)
def cos(x):
return np.cos(x)
def tan(x):
return np.tan(x)
# Graphing function
def plot_function(func, x_range):
x = np.linspace(x_range[0], x_range[1], 100)
y = func(x)
fig = go.Figure(data=go.Scatter(x=x, y=y, mode='lines'))
fig.update_layout(title=f'Graph of {func.__name__}(x)', xaxis_title='x', yaxis_title='y')
return fig
# Streamlit app
def calculator():
st.title("Enhanced Calculator with Graphs")
# Sidebar for basic calculations
st.sidebar.header("Basic Calculations")
num1 = st.sidebar.number_input("Enter the first number:", value=0.0, step=1.0)
num2 = st.sidebar.number_input("Enter the second number:", value=0.0, step=1.0)
operation = st.sidebar.selectbox("Choose an operation",
["Add", "Subtract", "Multiply", "Divide", "Power"])
if st.sidebar.button("Calculate"):
if operation == "Add":
result = add(num1, num2)
elif operation == "Subtract":
result = subtract(num1, num2)
elif operation == "Multiply":
result = multiply(num1, num2)
elif operation == "Divide":
result = divide(num1, num2)
elif operation == "Power":
result = power(num1, num2)
st.sidebar.success(f"The result is: {result}")
# Main area for advanced functions and graphing
st.header("Advanced Functions")
func_choice = st.selectbox("Choose a function to graph",
["Sin", "Cos", "Tan", "Square Root", "Logarithm"])
x_min = st.number_input("Enter the minimum x value:", value=-10.0, step=1.0)
x_max = st.number_input("Enter the maximum x value:", value=10.0, step=1.0)
if st.button("Generate Graph"):
if func_choice == "Sin":
fig = plot_function(sin, [x_min, x_max])
elif func_choice == "Cos":
fig = plot_function(cos, [x_min, x_max])
elif func_choice == "Tan":
fig = plot_function(tan, [x_min, x_max])
elif func_choice == "Square Root":
fig = plot_function(square_root, [0, x_max]) # Adjust range for square root
elif func_choice == "Logarithm":
fig = plot_function(logarithm, [0.1, x_max]) # Adjust range for logarithm
st.plotly_chart(fig)
# Additional calculations
st.header("Additional Calculations")
extra_num = st.number_input("Enter a number for additional calculations:", value=1.0, step=1.0)
col1, col2 = st.columns(2)
with col1:
if st.button("Calculate Square Root"):
result = square_root(extra_num)
st.write(f"Square root of {extra_num} is: {result}")
with col2:
if st.button("Calculate Natural Logarithm"):
result = logarithm(extra_num, base=np.e)
st.write(f"Natural logarithm of {extra_num} is: {result}")
# Run the calculator app
if __name__ == '__main__':
calculator() |