---
title: "oladejo abdullahi (@Maxwizard) | Hashnode"
description: "I'm a frontend developer. Read the latest articles by oladejo abdullahi on Hashnode."
url: "https://hashnode.com/@Maxwizard"
---

@Maxwizard

# oladejo abdullahi

@Maxwizard · Nigeria · Joined July 2021

I'm a frontend developer.

### [How to build a calculator using python Tkinter](https://maxwizard.hashnode.dev/how-to-build-a-calculator-using-python-tkinter?utm_source=hashnode&utm_medium=feed)

One of the amazing projects any beginner will like to do is a calculator. Here I will be showing you how to design a calculator using Tkinter so let us get started. Firstly we need to import some necessary libraries. Importing the necessary library f...

12 min read · [maxwizard.hashnode.dev](https://maxwizard.hashnode.dev/how-to-build-a-calculator-using-python-tkinter?utm_source=hashnode&utm_medium=feed)

[May 31, 2022](https://hashnode.com/posts/how-to-build-a-calculator-using-python-tkinter/6296591ee78667ee04ce7598)

### [How to calculate the run time of a codes](https://maxwizard.hashnode.dev/how-to-calculate-the-run-time-of-a-codes?utm_source=hashnode&utm_medium=feed)

How to calculate the run time of a codes you probably heard about something called Big O notation, one of the major tasks in all programming in which part of it is calculating the time complexity. what is time complexity?? time complexity is the proc...

3 min read · [maxwizard.hashnode.dev](https://maxwizard.hashnode.dev/how-to-calculate-the-run-time-of-a-codes?utm_source=hashnode&utm_medium=feed)

[Feb 16, 2022](https://hashnode.com/posts/how-to-calculate-the-run-time-of-a-codes/620d8b9225673f2740eeae84)

### [How to calculate the critical value using R](https://maxwizard.hashnode.dev/how-to-calculate-the-critical-value-using-r?utm_source=hashnode&utm_medium=feed)

how to calculate the critical value using R one of the important aspects of analysis is doing the test. confidence interval, hypothesis, etc all need critical value either Ztest or t-test, one-tailed or two-tailed. whichever we can easily calculate t...

4 min read · [maxwizard.hashnode.dev](https://maxwizard.hashnode.dev/how-to-calculate-the-critical-value-using-r?utm_source=hashnode&utm_medium=feed)

[Jan 26, 2022](https://hashnode.com/posts/how-to-calculate-the-critical-value-using-r/61f14b6f87fd2728e7cd59b0)

### [Rock, Paper and Scissors Game Using Python](https://maxwizard.hashnode.dev/rock-paper-and-scissors-game-using-python?utm_source=hashnode&utm_medium=feed)

How to build Rock, paper and Scissors Game using python Rock,paper and Scissors is one of the commonest game kids play, it is very easy and interesting to play. the game is usually between two players where each player make a guess and the winner is ...

4 min read · [maxwizard.hashnode.dev](https://maxwizard.hashnode.dev/rock-paper-and-scissors-game-using-python?utm_source=hashnode&utm_medium=feed)

[Aug 16, 2021](https://hashnode.com/posts/rock-paper-and-scissors-game-using-python/611aa61bac5c985f36439aaf)

### [Decimal to Ruman Numeral Converter Using python](https://maxwizard.hashnode.dev/decimal-to-ruman-numeral-converter-using-python?utm_source=hashnode&utm_medium=feed)

how to write codes that will be converting Decimal number to Roman numeral using Python

4 min read · [maxwizard.hashnode.dev](https://maxwizard.hashnode.dev/decimal-to-ruman-numeral-converter-using-python?utm_source=hashnode&utm_medium=feed)

[Aug 3, 2021](https://hashnode.com/posts/decimal-to-ruman-numeral-converter-using-python/61096653cfe20703b4e077e9)