Monthly Archives: November 2013

PHP/Javascript/HTML Geographicals By Placename Tutorial

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Here is a tutorial that presents various functionality via placename lookups of Latitude and Longitude. The inhouse functionality called on include Sun Angles, Moon Angles and Great Circle Distances. Am hoping it can give some pointers to ideas to do … Continue reading →

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Linux wget Primer Tutorial

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The Linux (or unix) command wget is a powerful command line tool, that, if installed, may help you garner data (for example, website files) by means of data scraping (or screen scraping, or, as in our case, web scraping) from … Continue reading →

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PHP/Javascript/HTML Moon Angle Tutorial

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Here is a tutorial that calculates Noon Moon Angles from Earth via the entry of Latitude and Longitude. The calculation of noon moon angles uses the concept of Sublunary Point, which is explained in the quote from Wikipedia below. The … Continue reading →

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HTML/Javascript Quadratic Equations Tutorial

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Here is a tutorial showing some client-side basics in HTML and Javascript that can verify your calculation of the roots of a quadratic equation. The inspiration for this came from the tutorial here. Sometimes a graphical representation of the Quadratic … Continue reading →

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PHP/Javascript/HTML Sun Angle Tutorial

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Here is a tutorial that calculates Noon Sun Angles on Earth via the entry of Latitude and Longitude. The calculation of noon sun angles uses the concept of Subsolar Point, which is explained in the quote from Wikipedia below. The … Continue reading →

Posted in eLearning, Tutorials | Tagged , , , , , , , , | 2 Comments

Linux cURL Primer Tutorial

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The Linux (or unix) command cURL is a powerful command line tool, that, if installed, may help you garner data by means of data scraping (or screen scraping, or, as in our case, web scraping) from the web, within the … Continue reading →

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PHP/Javascript/HTML Great Circle Distance Tutorial

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Here is a tutorial that calculates Great Circle Distances on Earth via the entry of Latitude and Longitude. The calculations are not true geodesic calculations and so, we will show the result to the nearest metre. We assume the radius … Continue reading →

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HTML/Javascript Number Sentence Tutorial

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Here is a tutorial showing some client-side basics in HTML and Javascript that can test some fairly simple mathematical Number Sentences for the user. The inspiration for this came from some homework of a student. This HTML/Javascript solution uses an … Continue reading →

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