Comments for mathblag
https://mathblag.wordpress.com
Musings on mathematics and teaching.Mon, 30 Dec 2019 22:57:02 +0000
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Comment on Sums of periodic functions by Things I enjoyed reading this year | MIT Admissions
https://mathblag.wordpress.com/2013/09/01/sums-of-periodic-functions/#comment-3074
Mon, 30 Dec 2019 22:57:02 +0000http://mathblag.wordpress.com/?p=760#comment-3074[…] Sums of periodic functions (1290 words). Of all the math articles I’ve read this year, this is the one that surprised me the most. It’s probably not interesting to a general audience, oops. But it has some pretty cool results about periodic functions and their sums. […]
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Comment on Some misunderstandings about order of operations by Barbie Dudley
https://mathblag.wordpress.com/2011/01/02/some-misunderstandings-about-order-of-operations/#comment-3067
Sat, 23 Nov 2019 17:46:46 +0000http://mathblag.wordpress.com/?p=119#comment-3067I’m still confused about when to completely drop the parentheses. Some problems we keep bringing the parentheses down with the answer….for example 5-2+(4+1)sqared
=5-2+(5)squared……when do I finally get rid of the parentheses?….maybe this isn’t a good example, but I hope you understand what I am saying.
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Comment on Some misunderstandings about order of operations by Anonymous
https://mathblag.wordpress.com/2011/01/02/some-misunderstandings-about-order-of-operations/#comment-2949
Fri, 02 Aug 2019 11:54:08 +0000http://mathblag.wordpress.com/?p=119#comment-2949yes
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Comment on Some misunderstandings about order of operations by Anonymous
https://mathblag.wordpress.com/2011/01/02/some-misunderstandings-about-order-of-operations/#comment-2529
Thu, 14 Mar 2019 18:34:45 +0000http://mathblag.wordpress.com/?p=119#comment-2529Do you still follow PEMDAS even inside parentheses?
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Comment on Sums of periodic functions by Krishna Avasarala
https://mathblag.wordpress.com/2013/09/01/sums-of-periodic-functions/#comment-2506
Sun, 03 Mar 2019 12:54:30 +0000http://mathblag.wordpress.com/?p=760#comment-2506To my question period e and pi of two functions respectively and their summer need noto be a periodic functions
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Comment on Some misunderstandings about order of operations by tugeasu
https://mathblag.wordpress.com/2011/01/02/some-misunderstandings-about-order-of-operations/#comment-2458
Fri, 08 Feb 2019 16:07:09 +0000http://mathblag.wordpress.com/?p=119#comment-2458in many situations there exist mistake of order that are observed by prof dr mircea orasanu and prof drd horia orasanu and so followed in many situations ,and thus appear in calculus of series ,or are present in calculus of CONSTRAINTS OF OPTIMIZATIONS with important aspects ,therefore these imposed other relations
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Comment on Some misunderstandings about order of operations by uiufu
https://mathblag.wordpress.com/2011/01/02/some-misunderstandings-about-order-of-operations/#comment-2457
Fri, 08 Feb 2019 15:53:52 +0000http://mathblag.wordpress.com/?p=119#comment-2457,
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Comment on Study guide for beginning algebra by Veky (@veky)
https://mathblag.wordpress.com/2013/08/30/study-guide-for-beginning-algebra/#comment-2244
Sat, 08 Dec 2018 15:00:19 +0000http://mathblag.wordpress.com/?p=737#comment-2244I presume you are aware that Pythagorean theorem holds only for right triangles? :-]
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Comment on Some misunderstandings about order of operations by Ghislain MAURY
https://mathblag.wordpress.com/2011/01/02/some-misunderstandings-about-order-of-operations/#comment-2232
Wed, 05 Dec 2018 16:16:32 +0000http://mathblag.wordpress.com/?p=119#comment-2232So for you if you start with ‘6/2a’, when you replace ‘a’ by 3 you write 6/2*3 = 3*3 = 9 and not 6/(2*3) = 6/6 = 1 (here writing 2a = (2*3) is similar that saying that the implied multiplication must be done before regular multiplication/division)
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Comment on Primes of the form 6k+1 by Anonymous
https://mathblag.wordpress.com/2013/08/30/primes-of-the-form-6k1/#comment-2099
Thu, 16 Aug 2018 08:27:28 +0000http://mathblag.wordpress.com/?p=726#comment-2099How do you prove x^2 modulo p equals -3, then x is of the form 3k+1
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