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AP Calculus AB

An interactive log for students and parents in my AP Calculus class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.

Sunday, October 30, 2005

Scribe

First thing we did in class was we recieved programs from Mr. K, programs like Angle Conversion, Area, Riemann sum which were going to learn on that period, and also the Rsum which also an important thing we learned from class. Mr. K showed us these different programs and showed how it works. We learned that in using the Rsum program it shows us the graph and we punch in some values in order to get the area of different number of rectangles in the graph. Then we found out that when we do an infinite number of rectangles we shaded thewhole region on the graph and it gives us almost the exact value for the area of the function. Then the Riemann sum program is like the Rsum program but it would calculate more faster because the calculator doesn't graph it and it just gives you the values right away.

Also in class, we talked about Riemann, a german mathematician. He has the famous Reimann's hypothesis and its about prime numbers. Also he has something to deal with our lesson for today in calculating the area of the rectangles in a function. Riemann says the key to calculate and estimate accurately the area of the function you need "a lot of rectangles".

We're going to talk more about Riemann sum next class. The next scribe is Steve....



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