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Ahmed Salami

Nigeria
Available
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.

Scotto

U.S.
Available
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.

Paul Klarreich

Available
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.

Frederick Koh

Singapore
Available
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.

Socrates

On Vacation
returns 02/17/2012
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.

Recent Answers

2012-02-08 Applications of derivative:

Questioner:Tommy  Country:North Carolina, United States  Category:Calculus  Private:No  Subject:calculus 1    Question:    a) find an equation in slope-intercept form of the tangent line to the parabola

2012-02-08 Definite Integration:

Firstly, your final answer should be 43.96, not 49.6 (I have verified this using a graphic calculator)    Secondly, if the first integral of -(3(x^2)-8(x)) on (0,8/3) gives you zero, most likely you have

2012-02-05 Piecewise function.:

Questioner:Erin  Subject: Piecewise function.    Question:    Can you help me with (b) and (c) of the following question?    The price of an item is initially $700. For the first 4 years the price   increases

2012-02-05 Pre-calc question:

In the 4th year, the price becomes 700+30(4)=820    When 4 < t  9,    P(t)= 820 -30(t-4)= 820 - 30t +120 = 940 - 30t  (shown)    (Note that a time lag factor of t-4 has been installed into the

2012-02-05 Pre-Calc question:

a) After 4 years, the value will have gone up by $120, so it will be worth $820.  To get an equation, just take that value and subtract of $30 times the years.  Here, t would be 0, 1, 2, 3, or 4, and the

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