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Pacerier
  • Member for 12 years, 9 months
  • Last seen more than a month ago
  • San Francisco / Singapore
241 votes
11 answers
181k views

What is the result of $\infty - \infty$?

38 votes
5 answers
26k views

Is there a simple explanation why degree 5 polynomials (and up) are unsolvable?

12 votes
5 answers
17k views

Solving 4 unknown angles in quadrilateral possible?

5 votes
2 answers
29k views

Can we ever get an irrational number by dividing two rational numbers?

4 votes
1 answer
304 views

Why are matrices written as such?

4 votes
4 answers
13k views

Why is there not a simpler way to calculate the standard deviation?

4 votes
2 answers
280 views

How exactly do exponentials work?

3 votes
1 answer
8k views

Base ten is called "decimal"; what's the name of numbers in base 15?

3 votes
1 answer
12k views

"range of function" vs "target of function"?

3 votes
2 answers
1k views

Why is the Fisher-Yates shuffle $O(n^2)$?

1 vote
1 answer
352 views

How to minimize $a \times b$ where $a^b≥x$?

1 vote
4 answers
2k views

Why is negative minus negative not negative? Why is negative times positive not directionless?

1 vote
3 answers
5k views

How to place bets to get > 50% chance of winning?

1 vote
1 answer
103 views

What's the maths symbol for alternation of product and sums?

0 votes
1 answer
174 views

Why do we have a symbol for root of -1, but none for divide by zero? [duplicate]

0 votes
3 answers
187 views

How do we go about solving for two unknowns?

0 votes
1 answer
186 views

How do we go about factorizing boolean expressions?

0 votes
1 answer
180 views

Why is there a $\frac{1}{6}$ chance of rolling a "$6$" after I have just rolled a "$6$"? [duplicate]