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visits member for 3 years, 8 months
seen Jan 29 at 21:50

Sep
11
awarded  Notable Question
Jul
2
awarded  Curious
Jan
21
awarded  Notable Question
Jan
17
asked What does this symbol “$\gg$” mean
Sep
5
awarded  Popular Question
Aug
18
awarded  Notable Question
May
17
accepted The difference between $\mathbb{Z}$ and $\mathbb{Z}^2$
May
17
asked The difference between $\mathbb{Z}$ and $\mathbb{Z}^2$
Apr
2
comment What do $\mathbb{R}^n$ and $\mathbb{Z}^n$ mean?
@Djaian. Yes, exactly
Apr
2
asked What do $\mathbb{R}^n$ and $\mathbb{Z}^n$ mean?
Mar
26
awarded  Popular Question
Mar
10
comment Comparing square roots of negative numbers
Can you kindly clarify your point: `the modulus of sqrt(-11) is less than that of sqrt(−13)? Thanks
Mar
10
asked Comparing square roots of negative numbers
Oct
10
awarded  Popular Question
Oct
2
accepted How to evaluate this formula
Oct
2
asked How to evaluate this formula
Oct
31
asked Calculating BMI (Body Mass Index)
Aug
4
asked Software for plotting a graph
Mar
22
awarded  Critic
Mar
22
comment Why don't these limits exist?
Thanks for your reply. So, is that since approaching 0 once from left and once from right does not lead to the same value, we say it doesn't exist?