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import streamlit as st |
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import numpy as np |
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import matplotlib.pyplot as plt |
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st.title("Savings account interest 💼") |
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def calcular_cashflow(n, A, r, Pi): |
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cashflow = [] |
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saldo = Pi |
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for i in range(n): |
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interes = saldo * (r/100) |
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abono_capital = A - interes |
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saldo += abono_capital |
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cashflow.append(saldo) |
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return cashflow |
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def graficar_cashflow(cashflow): |
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meses = range(1, len(cashflow) + 1) |
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fig, ax = plt.subplots() |
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ax.plot(meses, cashflow, marker='o', linestyle='-') |
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ax.set_title('Cashflow por Mensualidad') |
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ax.set_xlabel('Mes') |
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ax.set_ylabel('Saldo') |
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ax.grid(True) |
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return fig, ax |
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def main(): |
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n = st.number_input("Ingrese el número de mensualidades:", min_value=1, step=1, format='%d') |
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A = st.number_input("Ingrese el monto de la mensualidad:", min_value=0.0, step=1.0, format='%f') |
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r = st.number_input("Ingrese la tasa de interés (%):", min_value=0.0, step=0.01, format='%f') |
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Pi = st.number_input("Ingrese el depósito inicial:", min_value=0.0, step=1.0, format='%f') |
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if st.button('Calcular y Graficar Cashflow'): |
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cashflow = calcular_cashflow(int(n), float(A), float(r), float(Pi)) |
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fig, ax = graficar_cashflow(cashflow) |
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st.pyplot(fig) |
