29 Monday Dec 2025
The last three posts (see here, here, and here) have taken us through Python’s standard tkinter module from the basics to a simple windowed application with a text window for editing and the usual features for loading and saving text files.
I mentioned in the second post that I’d “implement a simple word-counter to replace the calculator parsing and execution code.” That’s what today’s short end-of-the-year post is about.
22 Monday Dec 2025
In the last post we used the Python tkinter module (which is standard) to build a shell window for script-based calculator app. To do anything useful, the shell needs a back-end calculator object to implement script parsing and executing functions.
In this post we’ll look at code for a script-driven prefix calculator that can be easily extended to include other (mathematical) functions.
15 Monday Dec 2025
The previous post laid out the basics for creating windowing (GUI) apps in Python using the tkinter (Tk Interface) module. The module has been part of the standard library since Python versions 2.7 and 3.1.
In this post, as a small seasonal gift, I’ll start presenting a working GUI application — a script-driven pre-fix calculator with variables. Between the calculator code and its window code, there is too much for one post, so there will be (at least) a second part next week.
The Hard-Core Coder 