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2013-03-14 23:02:43

Pi-Day Sale on the iPad Virtual Slide Rule Minneapolis, MN (PRWEB) March 14, 2013 The Interrobang Group is putting its five-star rated Virtual Slide Rule on sale March 13-17 in honor of Pi day (March 14). Normally $4.99, during the Pi day sale it will be available for $2.99. The Virtual Slide Rule is an iPad-only app that duplicates a slide rule perfectly. It is fully documented with instructions on how to use slide rules, and links to further information about them. Users give it five...

2012-03-02 08:00:00

Interrobang Group is putting its five-star rated Virtual Slide Rule on sale on March 14. Minneapolis, MN (PRWEB) March 02, 2012 To celebrate Pi day (March 14), the Interrobang Group is having a sale on its Virtual Slide Rule iPad app. Normally $4.99, on Pi day it will be available for $2.99. The Virtual Slide Rule is an iPad-only app that duplicates a slide rule perfectly. It includes instructions on how to use it as well as links to further information about slide rules. Users rate it five...

2011-09-22 10:43:00

NEW YORK, Sept. 22, 2011 /PRNewswire/ -- After a spirited speech to Congress and presenting his jobs bill President Obama starts the fall with the same approval ratings he had at the end of the summer. This month, exactly the same as in August, just one-third of Americans (32%) give the president positive ratings on the overall job he is doing while two-thirds (68%) give him negative ratings. (Logo: http://photos.prnewswire.com/prnh/20100517/NY06256LOGO ) These are some of the results...

2011-06-13 07:30:00

IRVINE, Calif., June 13, 2011 /PRNewswire/ -- VIASPACE Inc. (OTC Bulletin Board: VSPC), and its renewable energy subsidiary VIASPACE Green Energy Inc. (OTC Bulletin Board: VGREF) announced that their Green Log(TM) brand fireplace and campfire logs were exhibited at the National Hardware Show held in Las Vegas, Nevada from May 10-12, 2011. The National Hardware Show is an annual gathering of buyers and sellers in specialties such as hardware tools, lawn and garden, and outdoor living. The...

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2010-09-17 06:10:00

A researcher working for technology firm Yahoo has calculated the 2,000,000,000,000,000th digit of pi, more than doubling the previous record. Nicholas Sze used Yahoo's Hadoop cloud computing technology to come up with the unimaginable figure. The computation took 23 days using 1,000 Yahoo computers, racking up the equivalent of more than 500 years of efforts from a single computer. The core of the calculation made use of an approach called MapReduce -- originally developed by Google --...

2009-03-05 10:16:00

Proprietary 3D printing technology digitally produces sand molds and cores for metal castings without patterns or tooling to power up the 1200-hp Volcano engine for the $2 million Natalia SLS 2 TROY, Mich., March 5 /PRNewswire/ -- ProMetal RCT, LLC, an Ex One Company, has become the latest Technology Partner in the DiMora Motorcar program to develop the $2 million Natalia SLS 2 sport luxury sedan. An integrated product and process team will use the ProMetal digital 3D printing technology to...

2008-09-05 00:00:22

By Brian Bowling Third-graders learn multiplication better when they use their brains before they use a calculator, a new study has found. Pocket calculators have been ubiquitous since the 1970s, but educators still argue over whether they help or hinder learning, said Bethany Rittle-Johnson, assistant professor of psychology and human development at Vanderbilt University, Nashville. The Indiana County native said the study she conducted with Alexander Kmicikewycz shows calculators can...

2008-05-29 19:15:14

CAMBRIDGE, Mass. -- The ability to map numbers onto a line, a foundation of all mathematics, is universal, says a study published this week in the journal Science, but the form of this universal mapping is not linear but logarithmic. The findings illuminate both the nature and the limits of the human predisposition to measurement, a foundation for science, engineering, and much of our modern culture. The research was conducted with the Munduruku, an Amazonian indigenous culture with a...