Tag Archives: mathematics

Javascript Incrementing and Decrementing Primer Tutorial

Sometimes writing Javascript code we’ve let code like … <script type=’text/javascript’> var counter=null; function initializeCounter() { counter=0; } function incrementCounter() { if (counter == null) { counter=0; } ++counter; } if (eval(Math.floor(Math.random() * 1746765765) % 2) == 1) { initializeCounter(); … Continue reading

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Prime Numbers Fractional Favicon Canvas Tutorial

Further to yesterday’s Prime Numbers Fractional Favicon Tutorial … What’s the HTML5 canvas element got to do with web browser tab icon “favicon” graphic content? Well, as per the excellent advice ideas on this webpage, thanks, we can use the … Continue reading

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Prime Numbers Fractional Favicon Tutorial

So what’s the “favicon” in today’s blog posting title? If none the wiser, what about the (pretty much standalone Javascript) code below? var rldone=”; function arsthen() { if (document.getElementById(‘myicon’)) { document.getElementById(‘myicon’).href=’/favicon’ + rldone + ‘.ico’; if (rldone == ”) { … Continue reading

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Variety of Prime Numbers Fractional Forms Tutorial

Previous work of Prime Numbers Fractional Forms Tutorial and preceeding dealt with … your garden variety prime number … but then we read this Various Types of Numbers which set us straight at categorizing also … even numbers (only 2 … Continue reading

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Prime Numbers Primer Tutorial

We’ve been itching to do a “Prime Numbers Primer Tutorial” but haven’t found an interesting enough “in”. But I had occasion to want to count down an hour long period of time the other day, and wondered at the number … Continue reading

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Javascript Oninvalid Pattern setCustomValidity Event Form Validations Tutorial

In most of our mathematical educations, the odds are we won’t ever have to prove anything major mathematically, rather we just learn what has already been proved. But a lot of us envisage proving something mathematically as we trot off … Continue reading

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World Clickarounds Scrollable Annotations Tutorial

Today we involve … the web applications of World Clickarounds Google Map Chart Onclick Logic Tutorial … and … the discovery made in Fixed Questions Flexible Answers Quiz Tutorial … … pointing us to the fact that our limited left … Continue reading

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