Showing posts with label Simple Calculator Program in Python Using Function. Show all posts
Showing posts with label Simple Calculator Program in Python Using Function. Show all posts

Friday, March 8, 2019

Simple Calculator Program in Python Using Function

A simple calculator program we wrote using Python and functions. The code is very simple and easy to understand.

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Sample Program Output

Program Listing


# calculator.py
# Rollyn M. Moises and Jake R. Pomperada
# February 27, 2019    Wednesday
# Bacolod City, Negros Occidental

def menu():
    print();
    print("\t\t Simple Calculator Program");
    print();
    print("\tWritten By Rollyn M. Moises and Jake R. Pompreada")
    print();
    print("\t1. Addition");
    print("\t2. Subtraction");
    print("\t3. Multiplication");
    print("\t4. Division");
    print("\t5. Quit Program");
    print();
    return int(input("\tChoose your option: "));


def add(a, b):
    print();
    print("\t",a, "+", b, "=", a + b);


def sub(a, b):
    print();
    print("\t",a, "-", b, "=", a - b);


def mul(a, b):
    print();
    print("\t",a, "*", b, "=", a * b);


def div(a, b):
    print();
    print("\t",a, "/", b, "=", a / b);


loop = 1
choice = 0
while loop == 1:
    choice = menu()
    if choice == 1:
        print();
        add(int(input("\tAdd this: ")), int(input("\tto this: ")))
    elif choice == 2:
        print();
        sub(int(input("\tSubtract this: ")), int(input("\tfrom this: ")))
    elif choice == 3:
        print();
        mul(int(input("\tMultiply this: ")), int(input("\tby this: ")))
    elif choice == 4:
        print("\n");
        div(int(input("\tDivide this: ")), int(input("\tby this: ")))
    elif choice == 5:
        loop = 0
print();
print("\tThank you for using this program.");
print();
print("\tEND OF PROGRAM");