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Supermoon over the Adirondacks
The Supermoon over Cranberry Lake, New York, in the New York Adirondack Mountains on 11 July, 2014. 
IBM and Apple mobile announcement: important links
Yesterday IBM and Apple made an important announcement about partnering to significantly growth the use of mobile via Apple devices… 
On tools
Having a collection of fewer high quality tools is better than having many cheap, inaccurate ones that won't last long… 
Photo: Some books for work and interests

APIs and SDKs for Wearables
Wearables are the hot new thing, though the market is still shaping up. Nike has already exited the hardware part…

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Category Archives: Mathematics
Symbolic computation in the small: Math on mobile
What are the main considerations when designing a math system or library that can do symbolic computation on mobile devices? I’ve written several times about math apps on mobile devices but, inspired by a blog post by Ismael Ghalimi, I … Continue reading
Posted in Mathematics
Tagged Android, Apple, IBM, iOS, LaTeX, legal, Lisp, Maple, Mathematica, mathematics, mobile, open source, Python, science
5 Comments
20132014 IBM Herman Goldstine Memorial Postdoctoral Fellowship in Mathematical Sciences
The Business Analytics and Mathematical Sciences Department of the IBM Thomas J. Watson Research Center invites applications for its 20132014 Herman Goldstine Memorial Postdoctoral Fellowship for research in mathematical and computer sciences. Areas of active research in the department include: … Continue reading
Math Quick Take: Optimizing your garden’s area
I’m on vacation this week and taking it easy, so I thought I would do a post that appealed both to gardeners and math afficionados. Here’s the problem we’re going to solve: Suppose you buy 100 feet of wire fencing. … Continue reading
iPads in math classrooms?
I just received an inquiry from a reader who is looking for fellow teachers who are now using iPads in math classrooms for middle or high school. If you know of any, please comment here (or on reddit) and I’ll … Continue reading
Math and AI
Not many people know this, but I was briefly involved with artificial intelligence research in the early 1980′s. In fact, I had to miss my first wedding anniversary because I was at an AI conference in Austin, something I’m still … Continue reading
Richard D. Jenks Memorial Prize
I had the honor of working for and with Dick Jenks for many years in IBM Research. With other computer scientists, he led the development of computer algebra systems like Scratchpad and AXIOM. I’m very pleased to be on the … Continue reading
What should an iPad/tablet math app look like?
Math apps for tablet devices like the iPad should teach you how to structure a problem and its solution so you become better organized and capable of learning more advanced topics. As I continue to ponder math software for tablet … Continue reading
Posted in Mathematics
Tagged Apple, computer algebra, education, iPad, legal, mathematics
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End of year update on math software for the iPad
As we reach the end of 2010 and so the end of the first calendar year for Apple‘s iPad, I decided to look around one more time at the math software available for that tablet. I’ve previously done this in … Continue reading
Posted in Mathematics
Tagged Apple, games, innovation, iOS, iPad, iPhone, LaTeX, mathematics
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Math and the iPad: Mathination
From time to time I do a little survey of the math applications that have been made available for the iPad. I haven’t had time lately to really look through the full set of what has become available in the … Continue reading
Revisiting math software on the iPad
Now that the iPad has been out for about 3 months and I have had mine for a bit longer than 2 months, I’m going to revisit math software on the iPad. I previously did a couple of blog entries … Continue reading
Posted in Mathematics
Tagged Apple, computer algebra, iPad, iPhone, Maple, Mathematica, mathematics
5 Comments
Math Quick Take: Repeating Decimals
When students first start learning about fractions and decimals, they see that 1/2 = .5 1/3 = .3333333333… 1/4 = .25 1/5 = .2 1/6 = .1666666666… Some of the decimals are simple and others repeat, but evidently in a … Continue reading
Math software, dynamic languages, and the iPad
Will issues around multitasking and the new restrictions on the use of dynamic languages stop the Apple iPad from being used as a serious device for mathematical and scientific software? Several days ago I did a blog post about how … Continue reading
Posted in Mathematics
Tagged Adobe, Android, Apple, GPL, iPad, iPhone, Java, JavaScript, Linux, Lisp, Mac, Maple, Mathematica, mathematics, Python
2 Comments
Math software in the age of the iPad and other tablets
Will the next generation of tablets lead to new and better user interfaces for mathematical software? Will this encourage the use of tablets in education? Back in the 80s and 90s I was a member of the Mathematical Sciences Department … Continue reading
Posted in Mathematics
Tagged browser, computer algebra, education, IBM, innovation, iPad, iPhone, Java, Linux, Maple, Mathematica, mathematics, MIT, open source, Python, Ruby
2 Comments