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Dec
8
answered How many powers of 2 are easy to double?
Dec
7
revised Prove this limit doesn't exist (by contradiction)
Corrected spelling
Dec
7
suggested approved edit on Prove this limit doesn't exist (by contradiction)
Dec
5
comment How to simplify polynomials
Did you mean $q(x)=b_nx^n+\color{red}{b}_{n-1}x^{n-1}+\dots+\color{red}{b}_1x+{\color{red}{b}‌​}_{0}$?
Dec
5
revised Integration $\int{x^3\over x^8+3}dx$
Fixed grammar, improved formatting
Dec
5
revised How to simplify polynomials
Improved formatting
Dec
5
suggested approved edit on How to simplify polynomials
Dec
5
suggested approved edit on Integration $\int{x^3\over x^8+3}dx$
Dec
5
revised Where did these symbols come from?
added 38 characters in body
Dec
3
awarded  Commentator
Dec
3
comment Where did these symbols come from?
@IydwvCxscujtdo If you are using Windows, you can also use the Character Map (Start > Accessories > System Tools > Character Map), or by typing Win+R and charmap.exe. This will allow you to enter the characters into programs that do not have an "Insert specail character" function.
Dec
3
accepted Integrating an n-th degree polynomial
Dec
3
comment Where did these symbols come from?
@IydwvCxscujtdo You can use $\LaTeX$. For example, $\pi$ will be rendered as $\pi$, and $\Sigma$ will be $\Sigma$. For more information , see MathJax basic tutorial and quick reference.
Dec
3
revised Where did these symbols come from?
added 4 characters in body
Dec
3
awarded  Enlightened
Dec
2
awarded  Nice Answer
Dec
2
awarded  Teacher
Dec
2
revised Where did these symbols come from?
added 4 characters in body
Dec
2
answered Where did these symbols come from?
Nov
28
revised Can every proof by contradiction also be shown without contradiction?
Fixed grammar, improved formatting