Sharp EL-W516X Calculation Examples Manual

[lrdheat]

Yes, the num-solv can find d/dx=0 directly. The rest of my operations allowed for me to find f(x) at that value without having to re type the function. What is convenient at this point is that if you are going to find d/dx for multiple critical values for one function, f(x) is still defined, and you can directly get and display x and f(x) in the home screen if desired.