# Computer Science Tutorials

Here contain all the technical computer science tutorials. These are technical how-to articles that focus on teaching you a specific skill or how to solve a specific problem. Programming languages from python to C++. Useful for self study or classroom strategy. Learn something new about comp sci today!

### Why ChatGPT Is Not Reliable

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I'll start with the simple fact: ChatGPT is not a reliable answerer of questions.To try to explain why from scratch would be a heavy lift, but fortunately,…

### P vs. NP and what is a Turing Machine (TM)?

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P or NP This article deals with the complexity of calculations and in particular the meaning of ##P\stackrel{?}{\neq}NP## Before we explain what P and…

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### How to Setup a Raspberry Pi Cluster

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INTRODUCTION As a long-time computer programmer and almost as long a High-Performance Computer (HPC) user, I really didn't know anything about how these…

### Python’s Sympy Module and the Cayley-Hamilton Theorem

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Two of my favorite areas of study are linear algebra and computer programming. In this article I combine these areas by using Python to confirm that a…

### Create an Android Ringtone Picker Using the Ringtonemanager Class

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In this article, I will show you how to create a ringtone picker using the RingtoneManager class in Android. You will be able to get the list of tones,…

### The Rise of AI in STEM – Part 2

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We asked our PF Advisors “How do you see the rise in A.I. affecting STEM in the lab, classroom, industry and or in everyday society?”. We got so many…

### Guide to C++ Programming For Beginners

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Contents 1. Getting a C++ Compiler and Compiling Your First Program 2. Simple Datatypes and Declarations 3. Operators and Expressions 4. Input and…

### Recursion in Programming and When to Use or Not to Use It

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Recursion is actually quite simple. It's a subroutine calling itself. It's surprising but some problems that look quite hard can be trivial using recursion…

### AVX-512 Programming: Extracting Column Subtotals from a Table

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In this Insights article I'll present an example that shows how Intel® AVX-512 instructions can be used to read a whole row of data in a single operation,…

### AVX-512 Assembly Programming: Opmask Registers for Conditional Arithmetic Conclusion

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In the first part of this article (AVX-512 Assembly Programing - Opmask Registers for Conditional Arithmetic), we looked at how opmask registers can be…

### AVX-512 Assembly Programming: Opmask Registers for Conditional Arithmetic

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This is the second installment in a continuing series of articles on Intel AVX-512 assembly programming. The first installment is An Intro to AVX-512 Assembly…

### An Intro to AVX-512 Assembly Programming

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History In 1998, the Intel Corporation released processors that supported SIMD (single instruction, multiple data) instructions, enabling processors to…

### Intro to Data Structures for Programming

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Introduction In the first part of this series, I talked about some fundamental notions in the world of algorithms. Beyond the definition of an algorithm,…

### Learn Orbital Mechanics in Unity Game Engine for Augmented Reality

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In this Insight, I’ll go over implementing basic orbital mechanics simulations in the Unity game engine as well as an approach to scaling the simulation…

### Intro to Algorithms for Programming

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Many threads here at PF include some questions about how to learn to program. This is asked by Physics students who want to learn programming in order…

### The Joy of Processing

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In the early days of the personal computer revolution, computers were small, simple, and easy to operate. It was always great fun to write BASIC games…

### Why Can’t My Computer Do Simple Arithmetic?

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The first computer I owned was an Apple IIe computer, with a CPU that ran at slightly over 1 Megahertz (MHz), and with 64 Kilobytes (KB) of RAM, together…

### Simple Python Debugging with Pdb: Part 2

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This Insight article is the continuation of the first article, Simple Python Debugging with Pdb: Part 1.In this article, let's look at another important…

### Learn Simple Python Debugging with Pdb

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I'm pretty new to Python, so I was looking around for some debugging tools. At first, I dismissed Pdb (Python debugger) as being too primitive, but after…