EdisonGauss

Blackboard Math
Practice arithmetic just like Abe Lincoln. Updated for the 21st century. Blackboard Math is the ONLY tablet-native app that uses the entire touch-screen as a virtual slate for children to solve math problems longhand. It is not another cell phone app with scaled up graphics to fill out a larger display. It is not another [...]
Tire Pressure Calculator
Our developers include avid cyclists among their number. A couple of them created this app as a fun way to quickly compute the optimal tire pressure for one’s bicycle tires. The app is based on research by Frank Berto as published in the Spring 2007 issue of Bicycle Quarterly magazine. Philip Williamson, our illustrator, has [...]

Customer Testimonials

"Great because kids can show their work..." Jennifer D. "I've tried probably a dozen different math apps, and this is by far the best. It has the basic flash-card math--where you have to type in the answer, instead of multiple choice--but then goes much, much further. The app lets you do math exactly like you would on paper, with borrowing and carrying. There are three levels of problems, from flash-card to really challenging advanced arithmetic. This is the …
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Latest on Twitter

#BlackboardMath app on the #NookHD+ is awesome. Plenty of room for kids to show their work, and the graph paper background looks great. about 10 days ago
At $180 & a Google Play app I'd be a #NookHD+ buyer if I didn't have one already. Hope this isn't a close-out deal in disguise. about 10 days ago
Wow, #Nookhd+ is $180. _Love_ the hardware, but not so much the walled garden for sw. So they added GooglePlay and axed price $100... about 10 days ago
Vote for us at http://t.co/1zj0Uz7soZ #Startup #PDXchallenge about 13 days ago
@EdisonGauss

Blackboard Math

Tire Pressure Calculator

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