Chapter 7
Series and Integrals
When you press the SIN or LOG key on your scientific calculator, it almost instantly returns a numerical value. What is really happening is that the microprocessor inside the calculator is summing a series representation of that function, similar to the series we have already encountered for 
, 
, and 
in Chapter 3 and 4. Power series (sums of powers of ) and other series of functions are very important mathematical tools, ...
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