25,010 reputation
2361
bio website ncssm.edu/~morrison
location Chapel Hill, NC
age 24
visits member for 3 years, 5 months
seen 2 days ago

I am the chief wizard of computing at http://www.ncssm.edu

I am old enough to drink Champagne and Barolo.


2d
answered mutliplicative inverse
Apr
10
awarded  Nice Answer
Apr
7
reviewed Approve suggested edit on How do I find the y intercept for $P(x)= (x-1)^2(x-3)$?
Apr
6
reviewed Approve suggested edit on How to solve this question subset
Mar
24
answered Question about Normed vector space.
Mar
23
comment Probability of matching at least one number in lotto
Do you have to match all 6? IF the lotto picks six and you have to match, it's $1/{49\choose 6}$. Or does the lotto pick more than six?
Mar
23
comment Prove that there is $\{x_n\}_{n=1}^{\infty}$ such that $ \sum_{n=1}^{\infty}f(x_n)=\infty$
I was thinking that too, T. Bongers.
Mar
23
comment Prove $|x|-|y| \le |x+y|$
No, it does not.
Mar
23
comment Prove $|x|-|y| \le |x+y|$
Swap them to get $|y| - |x| \le |y - x| = |x - y|.$$
Mar
23
answered Prove $|x|-|y| \le |x+y|$
Mar
23
answered Pre-Calculus Question: g(x) = $\sqrt[4]{x^2-6x}$ — Find the Domain
Mar
11
answered Do I have to use this formula to calculate the integral?
Mar
10
answered Suppose that $x$ and $y$ satisfy $\frac{x}{2} + \frac{y}{3} = 1$. Prove that $x^2 + y^2 > 1$.
Mar
5
awarded  Enlightened
Mar
5
answered Integrals on unlimited sets
Mar
5
awarded  Nice Answer
Mar
4
answered Solve Precalc Trig Identity
Mar
4
comment Strangest math problem ever
These calculators incur the risk of integer overflow. Remember, when adding fractions, numerators and denominators fatten up fast.
Mar
4
answered Use a differential to estimate to estimate the given quantity.
Mar
4
comment Strangest math problem ever
ulillillia.us/tipsntricks/calculatortrick.shtml