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Fred Daniel Kline's user avatar
Fred Daniel Kline's user avatar
Fred Daniel Kline's user avatar
Fred Daniel Kline
  • Member for 12 years, 3 months
  • Last seen more than a month ago
  • Seattle, WA
26 votes

Funny identities

7 votes

What are some examples of when Mathematics 'accidentally' discovered something about the world?

5 votes
Accepted

Software, techniques and tricks of experimental mathematics to conjecture possible closed forms

4 votes

How do I learn all the weird symbols and notations?

4 votes

Game about placing pennies on table follow-up

4 votes

Proving $k \binom{n}{k} = n \binom{n-1}{k-1}$

3 votes
Accepted

How many different perfect matchings are there in this graph?

3 votes

Book on combinatorial identities

3 votes

Riemann's zeta as a continued fraction over prime numbers.

3 votes
Accepted

Useful techniques of experimental mathematics (reference request)

2 votes

Is there a list of typical variable letters to use in a given context?

2 votes

Mechanic method to draw a logarithmic spiral?

2 votes

What was the book that opened your mind to the beauty of mathematics?

2 votes

Good video lectures for studying Calculus?

2 votes

Big List of Fun Math Books

2 votes

Evaluate $\int_{0}^{\pi/4}x\ln^{2}(\sin(x))dx$

2 votes
Accepted

Need help with a zeta-like function?

2 votes

Limit goes to $\infty$, but wolfram alpha says its limit is $0$

2 votes

Unconventional mathematics books

1 vote

Simplify $\sum_{k=1}^{n} {k\choose m} {k}$

1 vote

If the sum $\frac{1}{7} + \frac{1\cdot 3}{7\cdot 9} + \frac{1\cdot 3\cdot 5}{7\cdot 9\cdot 11} + ...$ to 20 terms is $\frac{m}{n}$, then $n-4m$?

1 vote

Good books on combinatorics

1 vote

Math book for an eager learner with non-mathematical background

1 vote

Mathematical notation for computer science

1 vote

Equilateral triangle inscribed in a triangle

1 vote

Fuzzy Venn diagram regions labeled in ternary

1 vote

Low Level Books on Conjectures/Famous Problems

1 vote

Gift advice: present for high school graduate interested in math

1 vote

Three mutually-tangent circles have centers at given distances from each other; find each radius, and find the area between the circles

1 vote
Accepted

Why zeta(2) in these inifinite sums?