PyQt5-GUI-Python-calculator

GUI based Calculator using Python based on MVC Structure

A calculator GUI app using the Model-View-Controller (MVC) design pattern. Developed using PyQt. PyQt is a Python binding for Qt, which is a set of C++ libraries and development tools providing platform-independent abstractions for graphical user interfaces (GUIs).

Here a simple calculator is created using python which follows the MVC architectural pattern which separates the application in three logical components: the model, the view and the controller

Create test.py

This file is created to check if the PyQt5 GUI toolkit is installed and working properly in your machine or not.

Code Sample

import sys

from PyQt5.QtWidgets import QApplication
from PyQt5.QtWidgets import QLabel
from PyQt5.QtWidgets import QWidget

app = QApplication(sys.argv)

window = QWidget()
window.setWindowTitle('PyQt5 App')
window.setGeometry(100, 100, 300, 100)
window.move(600, 300)
helloMsg = QLabel('This is a Requirements Test', parent=window)
helloMsg.move(60, 30)

window.show()

sys.exit(app.exec_())

Execute the test.py using:

python test.py

If while executing the file you get the error of ModuleNotFound suggests that PyQt5 is not installed. Install PyQt5 using the following command:

pip install PyQt5

Once installed execute the file and a small window will appear with message 'This is a Requirements Test'.