Feb
2
revised Finding the Robot
extending the statement
Feb
2
revised Finding the Robot
generalize the reesult for n boxes
Feb
2
revised Finding the Robot
changed the text to adopt the new function
Feb
2
revised Finding the Robot
a better program, some output
Feb
2
revised Numerical puzzle
deleted 47 characters in body
Feb
1
revised When does the equation $a^n \equiv n \pmod m$ has exact one solution with $1\le n\le m-1$?
tex
Feb
1
revised Prime number test and Fermat's little theorem
typo
Jan
26
revised Diophantine equation in two variables.
grammar
Jan
25
revised When does $\cos\frac{\pi}{m}=2\cos\frac{\pi}{r}\cos\frac{\pi}{n}$ with $m,n,r \in \mathbb{Z}$ hold?
typo
Jan
23
revised How do I go about algebraic manipulation of polynomials with many terms?
an additional sentence
Jan
23
revised How do I go about algebraic manipulation of polynomials with many terms?
typo
Jan
23
revised How do I go about algebraic manipulation of polynomials with many terms?
some tricks
Jan
23
revised How do I go about algebraic manipulation of polynomials with many terms?
slightly changing a formulation
Jan
21
revised How prove this equality $4064b^6+4064c^6+1452b^2c^4+8013b^4c^2+7172b^3c^3-4728b^5c-11289bc^5\ge 0$
added 38 characters in body
Jan
21
revised How prove this equality $4064b^6+4064c^6+1452b^2c^4+8013b^4c^2+7172b^3c^3-4728b^5c-11289bc^5\ge 0$
other ways I tried
Jan
17
revised Solving $x^3 + x^2 - 4 = 0$
sum sign where wrong
Jan
6
revised Solution of Trigonometric equations
text formatting
Jan
4
revised Procedure for showing a polynomial is irreducible in $\mathbb{Q[x]}$
changed number, otherwise the argument is not valid
Jan
4
revised Procedure for showing a polynomial is irreducible in $\mathbb{Q[x]}$
typo in polynomial
Jan
4
revised Procedure for showing a polynomial is irreducible in $\mathbb{Q[x]}$
mentioning Eisenstein's criterion