Microsoft Lies? Diagonal Screen Size vs Area
May 24, 2013, 12:00 amMicrosoft has put up an ad comparing various Windows tablets to the iPad.
So bigger is better right? On their original ad they claimed that the ASUS VivoTab Smart tablet had more area than the iPad.
But Elliot Temple claims the following:
How can the screen with a larger diagonal m...
Follow-up to 50 billion app downloads
May 21, 2013, 12:00 amSo 50 billion apps downloaded on the iTunes store has come and gone, and I have nothing to show for it (except for a bunch of fun learning and some excitement for the next time).
Things that happened:
Bill Waterson
May 20, 2013, 12:00 amThe truth is, most of us discover where we are headed when we arrive.
Must read advice from Bill Waterson on Brain Pickings, Maria Popova’s blog.
Your preparation for the real world is not in the answers you’ve learned, but in the questions you’ve learned how to ask yourself.
50 billion app downloads
May 2, 2013, 12:00 amOk. When is it going to hit 50 billion? Put your bets down.
Old posts from when Apple was at 25 billion app downloads.
More questions:
When will it hit 100 billion? 1 trillion? How many apps will be sold by December 25th? Any more?
Edit 5/11/13
More info:
Random Group Maker
April 18, 2013, 12:00 amNeat link: Team Maker
Allows you to paste in a roster and make random groups. No friction, no mess. Cool stuff.
Calculate Pi with Python
March 14, 2013, 12:00 amIntro to Computer programming worked at calculating digits of pi today. The actual algorithms aren’t too bad, but getting more than the standard number of digits from a double is a bit trickier. Here’s a program that calculates pi using:
Bailey–Borwein–Plouffe formula
Bellard’s formula
an...
Powers of 2 without a Zero
March 6, 2013, 12:00 am2^86 is largest known pwr of 2 that does not contain 0.What about other digits?Does each non-zero digit occur inf often among the pwrs of 2?
— James Tanton (@jamestanton) March 6, 2013
Interesting. The Intro to Programming Students gave a crack at this one; and after 30 minutes all were cl...
Reducing Prime
March 4, 2013, 12:00 amNumber theory nugget: 357686312646216567629137 is a prime number which remains prime after removing any number of digits from the left side!
— Maths World UK (@MathsWorldUK) March 4, 2013
Otherwise known as left-truncating primes with every suffix prime and no digit are zero. Here is the...
Oreo: Original vs. Double vs. Mega
March 3, 2013, 12:00 am[edit 8/20/13: New post with more data on the weights of Oreos and Double Stuf Oreos.]
[edit 8/21/13: And Part 3.]
Are Double Stuf Oreos really double stuffed? Some disagreement here: Chris Danielson in part 1 2 and 3 versus Chris Lusto in part 1 and 2.
Enter in the Mega Stuf...
Meteor Go Boom
February 17, 2013, 12:00 amHow far away is the meteor from this security camera when it explodes?