Friday, September 12, 2025
STEM

Geometric Shapes with Tkinter & Turtle

In this post, I’m sharing a complete Python program that draws various geometric shapes on screen with given parameters (e.g. side length, radius, height, tilt, etc.). The application is downloadable here and can be executed on a Windows device (tested on Windows 10). The download will be a ZIP file called tkinter-drawgeometricshapes.zip —copy or unzip […]

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Coding STEM

Network graphs explained with scenarios (Python) – Part 2

This is Part 2 of the series “Network graphs explained with scenarios“. Please read Part 1 first for proper continuity. A few of the scenarios I cover in this blog series here: Project scheduling example – Shows how to compute critical path on a network of related tasks. Covered in Part 1.Routing example – Shows […]

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Coding STEM

Network graphs explained with scenarios (Python) – Part 1

Network graphs are quite fascinating to me. They are all around us and used daily in a multitude of real-world applications from supply-chain, routing, mapping, social media, scheduling, to networking. In this two-part blog series, I’ll go over some real-world applications of graphs and how to generate them dynamically using Python. There are many complex […]

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Coding Education STEM

Metaphysics, Harmony, Spirituality with Python

For many years, different sound frequencies have been believed and proven to have various effects on humans…in physical and mental aspects. From self-healing to spirituality; to vision and enlightenment, sound has been used (and continues to be) to aid meditation and therapy. Whether or not you believe in its benefits is beside the point of […]

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Coding Education STEM

My SW Projects – a subset of many

This page is a single, nifty starting point for various projects (apps, utilities, research tools, games, etc.) I developed for desktop, webapps, and mobile devices for intellectual curiousity and fun. They are free, and ad-free. No gimmicks. These will run on any modern smartphone, tablet, PC (see each description below as some are made to […]

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Coding Education STEM

Estimating reading time for any content (Python)

We occasionally see reading time estimates in online news, blog sites, and even in promotional contents. This estimate is important because it tells the reader upfront how much the content may take to read. There are several extensive studies done internationally (in English speaking countries) that demonstrate that people tend to read messages/contents up to […]

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Coding Education STEM

Using Directions & Travel APIs with Excel, Python. 1/2

In this blog, I’ll share tips on how to consume RESTful APIs for maps. Specifically, getting a location point info, getting distance and travel times between two points, and even turn-by-turn driving directions. With the techniques, we can also get walking and transit mode of travel info. I’ll be leveraging Bing Maps APIs as they’re […]

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