to customize your list.
more stack exchange communities
Start here for a quick overview of the site
Detailed answers to any questions you might have
Discuss the workings and policies of this site
Using the invariance principle: how to solve $n+d(n)+d(d(n))=m$?
Let $d(n)$ be the digital sum of $n$. How to solve $n+d(n)+d(d(n))=m$, where $n$ and $m$ are natural?
Aug 13 '12 at 17:17
newest invariance elementary-number-theory questions feed
Announcing The Launch Of Meta Stack Exchange
Hot Network Questions
Why does a nuclear explosion have directionality?
Why are sine/cosine always used to describe oscillations?
What does 'highly non linear' mean?
Disabling 10NES Chip
What are some creative ways to run up my credit card bill without any cost to me?
Importing data from excel and assigning a variable to each of its columns
Do postdoctoral studies have official certificate?
If an author declines authorship, may her co-authors publish without her?
Why do people organize summer schools?
Expected number of ratio of girls vs boys birth
Do I cite books that helped me indirectly?
Google is changing my urls in search results
Is it OK for an MSc Student to Review a Scientific Paper?
How are safety standards enforced in an airline which is not IOSA certified?
In an empty environment, how are executables found?
Am I morally obligated to pursue a career in medicine?
Should I unsubscribe uninterested mailing-list members?
Force latex to show a square matrix as square
How can I create loopable bounces for video games?
Why did Microsoft choose the word "Recycle Bin"?
Blender animations and Unity
Is this function vulnerable to SQL injection?
If there are obvious things, why should we prove them?
more hot questions
Life / Arts
Culture / Recreation
TeX - LaTeX
Unix & Linux
Ask Different (Apple)
Geographic Information Systems
Science Fiction & Fantasy
Seasoned Advice (cooking)
Personal Finance & Money
English Language & Usage
Mi Yodeya (Judaism)
Cross Validated (stats)
Theoretical Computer Science
Meta Stack Exchange
Stack Overflow Careers
site design / logo © 2014 stack exchange inc; user contributions licensed under
cc by-sa 3.0