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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.


South Africa
I can answer all algebra and geometry questions from any grade. I am nearly finished my teaching degree and need experience. Anyone interested in talking to me is welcome!

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?


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.

Sombra Shadow

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

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.

randy patton

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

Paul Klarreich

On Vacation
returns 06/15/2015
I can answer questions in basic to advanced algebra (theory of equations, complex numbers), precalculus (functions, graphs, exponential, logarithmic, and trigonometric functions and identities), basic probability, and finite mathematics, including mathematical induction. I can also try (but not guarantee) to answer questions on Abstract Algebra -- groups, rings, etc. and Analysis -- sequences, limits, continuity. I won't understand specialized engineering or business jargon.

Recent Answers

2015-05-21 Initial value:

y(x) is obtained by integrating    y'(x) = 3sin(x)    to get    y(x) = -3cos(x) + C    where C is the "constant of integration". Note that, when y(x) is differentiated, this constant goes away. But it

2015-05-21 query..:

I believe all they need to know is that sin(x) is the length(opposite side) / length(hypotenuse) and  cos(x) is the length(adjacent side) / length(hypotenuse).    If x is the angle, then the sine of x

2015-05-03 Mixture - Concrete - Solution:

I'm guessing at that the 1:2:4 refers to amounts excluding voids.    1 ydł of concrete contains:   1/7 ydł cement   2/7 ydł sand (excluding voids)   4/7 ydł gravel (excluding voids)

2015-05-01 Multiples:

Hi Kenneth,  There is nothing wrong with listing the multiples of a fraction in this way, especially if that is what you're trying to show. Writing in whole numbers is neater though, and I'm sure no one

2015-04-25 Per Year Per $1000 & Per $1000 Per Year:

Hi Kenneth,  The expressions mean the same for both cases. I mean that, for instance, the first statement simply means $35.69 for every year for every $1000 which is the same as saying $35.69 for every

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