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Tuesday, September 16, 2008

Limits / Compound Interest

Sooo todays class started off with Dr. Eviator introducing us to her physicist/teacher friend who'll be filling in for her on days when she'll be absent later on.

The main things we did today were mostly some review on compound interest, logarithms, and limits. To explain limits, Dr. Eviator used compound interest as an example. The formula for compound interest is A(t)=P(1+r/n)nt. To make things simpler the variables r, t, and p = 1, the formula will now look like A(t)= (1+1/n)n. We found out that the more times the money is compounded the higher the interest will be. However there is a limit. After compounding more than 20,000 times, interest will not get bigger but instead decrease.

The rest of the class time was used to solve questions from the exercise books. Ha and Dr. Eviator was disappointed in the book because of how they solved a question with too much calculator graphing work :( and that's all i remember. NEXT SCRIBE IS BENCHMEN.

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