to your HTML Add class="sortable" to any table you'd like to make sortable Click on the headers to sort Thanks to many, many people for contributions and suggestions. Licenced as X11: http://www.kryogenix.org/code/browser/licence.html This basically means: do what you want with it. */ var stIsIE = /*@cc_on!@*/false; sorttable = { init: function() { // quit if this function has already been called if (arguments.callee.done) return; // flag this function so we don't do the same thing twice arguments.callee.done = true; // kill the timer if (_timer) clearInterval(_timer); if (!document.createElement || !document.getElementsByTagName) return; sorttable.DATE_RE = /^(\d\d?)[\/\.-](\d\d?)[\/\.-]((\d\d)?\d\d)$/; forEach(document.getElementsByTagName('table'), function(table) { if (table.className.search(/\bsortable\b/) != -1) { sorttable.makeSortable(table); } }); }, makeSortable: function(table) { if (table.getElementsByTagName('thead').length == 0) { // table doesn't have a tHead. Since it should have, create one and // put the first table row in it. the = document.createElement('thead'); the.appendChild(table.rows[0]); table.insertBefore(the,table.firstChild); } // Safari doesn't support table.tHead, sigh if (table.tHead == null) table.tHead = table.getElementsByTagName('thead')[0]; if (table.tHead.rows.length != 1) return; // can't cope with two header rows // Sorttable v1 put rows with a class of "sortbottom" at the bottom (as // "total" rows, for example). This is B&R, since what you're supposed // to do is put them in a tfoot. So, if there are sortbottom rows, // for backwards compatibility, move them to tfoot (creating it if needed). sortbottomrows = []; for (var i=0; i
Perhaps nothing inspires more dread during the busy shopping season than the prospect of having to perform the most difficult maneuver most people might face while driving: parallel parking.
Fortunately for readers of Political Calculations, we now have the tool you need to decide if you should even attempt to squeeze your car into that tiny space between those two big cars parked alongside the road. The tool below was developed by Simon Blackburn of the University of London (HT: PhysOrg, who was commissioned by Vauxhall Motors to write The Geometry of Perfect Parking, which provides the mathematical formula we need to determine how big that parking space needs to be for your car!
The rest is just a matter of entering your car's and your parking situation's relevant information into our tool. The default data is that for a Corvette C5 (we can dream, can't we?!), with several of the dimensions entered in units of inches, which we've divided by 12 in the input fields below to convert into feet. We did make one assumption since we didn't have the specific data: that the distance from the nose of the car to the center of the front wheels is half the difference of the car's overall length and its wheel base.
And now that we've developed and presented this tool for your use, let us reassure you that we have absolutely no interest in discussing the subject of parallel parking, or the parking of vehicles any kind, any further. Interestingly, we note that Professor Blackburn also strongly affirms that he has little interest in discussing the subject given his greater interest in more challenging fields of mathematics, and he also notes that Rebecca Hoyle of the University of Surrey, perhaps the only other person in the world to have done similar math, isn't interested in parking as a research topic either.
It seems that aspect of parallel parking has similar rules to those of Fight Club.
Labels: none really, tool
Welcome to the blogosphere's toolchest! Here, unlike other blogs dedicated to analyzing current events, we create easy-to-use, simple tools to do the math related to them so you can get in on the action too! If you would like to learn more about these tools, or if you would like to contribute ideas to develop for this blog, please e-mail us at:
This year, we'll be experimenting with a number of apps to bring more of a current events focus to Political Calculations - we're test driving the app(s) below!
The S&P 500 at Your Fingertips
The Distribution of Income for 2010: Individuals
Should You Trade in Your Gas Guzzler?
What Are the Chances Your Marriage Will Last?
Tipping Around the World
What's Your Body Fat Percentage?
The Odds of Dying, Again!
Gas Prices, the Unemployment Rate, and Desperation
Hauser's Law
The Real Story Behind "Rising" U.S. Income Inequality
First Time Visitor to Political Calculations?
On the Moneyed Midways
A Lot, But Not All, of Our Tools
Political Calculations' U.S. GDP Temperature Gauge provides a means to quickly evaluate the growth rate of the U.S. economy against the backdrop of how the economy has performed since 1980, with the "temperature" color spectrum ranging from a recessionary "cold" (purple) through an expansionary "hot" (red).
The GDP Temperature Gauge presents both the annualized GDP growth rate as reported by the U.S. Bureau of Economic Analysis reports for a one-quarter period and also as averaged over a two quarter period, which smooths out the volatility seen in the one-quarter data and provides a better indication of the relative strength of the U.S. economy over time.
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Visitors since December 6, 2004:
The tools on this site are built using JavaScript. If you would like to learn more, one of the best free resources on the web is available at W3Schools.com.
ZunZun - Exceptional regression analysis tool.
Wolfram Integrator - Solve integrals. Do calculus!
Create a Graph - Easy-to-use basic graph-making tool.
Many Eyes - Data visualization extraordinaire!
Wolfram Alpha - Computational knowledge engine.
Khan Academy - Math & science video mini-lectures!
Picasion - Animate images.
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