OxforDroid

# gist: mortgage_calculator.py
def calculate_monthly_payment(price, down_payment, rate, years):
    loan = price - down_payment
    monthly_rate = rate / 12 / 100
    n = years * 12
    return loan * monthly_rate * (1 + monthly_rate)**n / ((1 + monthly_rate)**n - 1)

OxforDroid

x = 23
y = 5
z = x/y
ost = x%y
print ("z = ", z)
print ("ost = ", ost)

OxforDroid

\package ru.alexanderklimov.addressbook;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;