Uncategorized Archive

Character Codes for Special HTML Characters — Unicode, HTML, Hexadecimal

This is a reference sheet for character and character with accent, codes in HTML, Unicode, and Hexadecimal. (I am building it as I need them, so it will take some time to complete.) Character Name HTML Identity Unicode Hexadecimal References […]

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Dimensional Analysis

Dimensional Analysis

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Resistors In Series

When a circuit has resistors connected in series (each resistor connected in line from one to the next) the total resistance is equal to the sum of each individual resistance. \[ R_{total} = R_1 + R_2 + R_3 + \cdot […]

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Writing Your First Python Program

(This article on Writing Your First Python Program is part of a text on Python, thus is a continuation of a process.) Start IDLE (or whatever IDE you are using). Open a new window. (You can choose New Window under […]

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IDLE — Python Integrated Development Environment

IDLE is a simple “Integrated Development Environment” (IDE) that allows you to code and run programs within itself. It comes with Python programming language. There are other IDE’s that can be used for Python. However, Python’s built-in IDLE is a […]

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Introduction to the Universe

The universe is filled with cosmic objects and dynamics that have no counterpart on Earth. In a literal sense, beyond the Earth is an alien reality, filled with alien worlds, objects, phenomena, events and dynamics that defy the imagination in […]

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Radio Waves

Radio Waves are a range of frequencies within the spectrum of light — a type of electromagnetic radiation (EMR) — found throughout the world. They are generated whenever a charged particles are accelerated, thus there is radio noise that results […]

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Domain of a Function

Domain of a Function

The Domain of a Function is a term in mathematics referring to all of the $x$ values where a function is defined. In more technical language, it is the mathematical set of all inputs where the function is defined. One […]

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The Messier Catalogue

The Messier Catalogue (pronounced Meh-see-ay) is a catalogue of cosmic objects published in 1781 by the French Astronomer Charles Messier. These deep-space objects are non-stellar (i.e. not stars) and are well beyond our solar system. Over more than two decades […]

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UTF-8 Greek and Coptic — HTML Unicode UTF-8 Charset

HTML Unicode UTF-8 is the easiest way to write special characters online (especially if you use a CMS like WordPress or do WP Theme Development). Some characters like α or Α have an ‘entity’ attached to them. As such you […]

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