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Ahmed Salami

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


I can answer questions from the standard four semester Calculus sequence. I am not prepared for questions on Tensor Calculus. Everything else is welcome. Derivatives, partial derivatives, ordinary differential equations, single and multiple integrals, change of variable, vector integration (Green`s Theorem, Stokes, and Gauss) and applications.

Frederick Koh

I can answer questions concerning calculus, complex numbers, vectors, statistics , algebra and trigonometry for the O level, A level and 1st/2nd year college math/engineering student.

Paul Klarreich

All topics in first-year calculus including infinite series, max-min and related rate problems. Also trigonometry and complex numbers, theory of equations, exponential and logarithmic functions. I can also try (but not guarantee) to answer questions on Analysis -- sequences, limits, continuity.


Any kind of calculus question you want. I also have answered some questions in Physics (mass, momentum, falling bodies), Chemistry (charge, reactions, symbols, molecules), and Biology (reproduction, insusion of chemicals into bloodstream).

Abe Mantell

On Vacation
returns 12/25/2016
Hello, I am a college professor of mathematics and regularly teach all levels from elementary mathematics through differential equations, and would be happy to assist anyone with such questions!

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2016-10-28 Related Rates:

Moving cars     Suppose a police officer is 1/2 mile south of an intersection, driving north towards the intersection at 35 mph. At the same time, another car is 1/2 mile east of the intersection, driving

2016-09-28 surveys of calculus:

Sketch the graph of a function that satisfies the stated conditions below:  I'll give the info, and you can sketch it.     It is given that f is continuous and differentiable everywhere.    The sign diagram

2016-09-17 Velocity and Acceleration:

Questioner:Frances   Country:Hamilton, Bermuda   Category:Calculus   Private:No   Subject:  Mathematics- Differentiation     Question:  A particle moves in a straight line. It's displacement 's' metres

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