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Scott A Wilson

I can answer any question in general math, arithetic, discret math, algebra, box problems, geometry, filling a tank with water, trigonometry, pre-calculus, linear algebra, complex mathematics, probability, statistics, and most of anything else that relates to math. I can also say that I broke 5 minutes for a mile, which is over 12 mph, but is that relevant?

Clyde Oliver

I can answer all questions up to, and including, graduate level mathematics. I am more likely to prefer questions beyond the level of calculus. I can answer any questions, from basic elementary number theory like how to prove the first three digits of powers of 2 repeat (they do, with period 100, starting at 8), all the way to advanced mathematics like proving Egorov's theorem or finding phase transitions in random networks.

Ahmed Salami

I can provide good answers to questions dealing in almost all of mathematics especially from A`Level downwards. I can as well help a good deal in Physics with most emphasis directed towards mechanics.

Janet Yang

I can answer questions in Algebra, Basic Math, Calculus, Differential Equations, Geometry, Number Theory, and Word Problems. I would not feel comfortable answering questions in Probability and Statistics or Topology because I have not studied these in depth.

Sombra Shadow

I can answer most questions up through Calculus and some in Number Theory and Abstract Algebra.

randy patton

college mathematics, applied math, advanced calculus, complex analysis, linear and abstract algebra, probability theory, signal processing, undergraduate physics, physical oceanography


On Vacation
returns 11/24/2014
I can answer any questions from the standard four semester Calulus sequence. Derivatives, partial derivatives, chain rule, single and multiple integrals, change of variable, sequences and series, vector integration (Green`s Theorem, Stokes, and Gauss) and applications. Pre-Calculus, Linear Algebra and Finite Math questions are also welcome.

Recent Answers

2014-10-28 Question:

Hi John,  It would be more helpful if you showed me your progress. Anyway, following the same manner as before;  y = (4x² - 2x)³  Let u = 4x² - 2x  then  y = u³ and dy/du = 3u²  du/dx = 8x - 2    dy/dx

2014-10-23 Amount - Solution/ Explanation:

The 2x/21 comes from applying the distributive rule.  n = (1/7)b - 2    = (1/7)(2x/3 + 10) - 2   = (1/7)2x/3 + (1/7)10 - 2   = 2x/21 + 10/7 - 2    The 3½ comes from 10-4½-2:  x = b +

2014-10-22 Annuity Computation:

I had a hard time understanding the question—it wasn't stated very clearly. However, here is my take on it:    468 hours × 1 annuity month/(174 hours) ≅ 2.69 months, which is rounded down to 2 months

2014-10-19 24:

This set is very easy! Basic calculus and algebra.    #1 Binomial Expansion    When you expand any power, you get binomial coefficients:    (a+b)^n = a^n + n a^(n-1) b^1 + ... + (n choose r) a^(n-r)

2014-10-18 Algebra/calculus:

The pairs are (a+b), (a+c), (a+d), (a+e), (b+c), (b+d), (b+e), (c+d), (c+e), and (d+e).  Summing them:  (a+b) + (a+c) + (a+d) + (a+e) + (b+c) + (b+d) + (b+e) + (c+d) + (c+e) + (d+e) = 2+3+6+7+9+10+11+13+14+17

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