These are files placed here as a reference and a FYI. Click on links to open to read or right click to open a context menu to download documents.
A Beginner's Guide to Gambas - A PDF book introducing people to GAMBAS (a recursive acronym for Gambas Almost Means Basic). Gambas is an object-oriented dialect of the BASIC programming language, with an IDE (integrated development environment) for Linux (and UNIX-Like OSs) Released under the OpenContent License (OPL), Version 1.0,
Dividing Fractions - A PDF written by me on a easy method to mentally divide fractions by whole numbers.
Grokking the GIMP - PDF book that covers the GIMP (a acronym for GNU Image Manipulation Program) The GIMP is a free and open-source raster graphics editor used for image manipulation and image editing, free-form drawing, transcoding between different image file formats, and more specialized tasks. GIMP is released under GPL-3.0-or-later license and is available for Linux, macOS, and Microsoft Windows. This book covers the GIMP in depth, and complex tasks are intuitively presented and explained using an interactive approach.
Roman Numeral Table - PDF of the Roman Numerals. It also covers Roman Numeral fractions, and the use of multipliers for thousands and one hundred thousands.
What is a 70 volt speaker system, and why should I be interested? - This is a PDF written by R.L. Jenkins on 70 volt audio systems for churches. It covers what/how and why a person may be interested in such a system for their church.
Why We Have Leap Years - PDF book written by me with some history of different calendars, the need for leap years and how to calculate a leap year.