CASIO fx-CG50 question

[Mjim]

When you use SolveN it stores the list in the variable List Ans, which is like the Ans variable but for lists. [OPTN][F1][F1] to type List, [SHIFT][(-)] to select Ans. You can then pretty much use it directly (note that the derivative isn't typed as it appears on the Casio for simplification purposes):

SolveN((sinx)'=1, x, 0, 20pi)
{0, 2pi, 4pi, 6pi, 8pi, 10pi, 12pi, 14pi, 16pi, 18pi}
cos List Ans
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1}

Of course this updates the List Ans variable so you need to store it first if you wish to use it again:

SolveN((sinx)'=1, x, 0, 20pi)
{0, 2pi, 4pi, 6pi, 8pi, 10pi, 12pi, 14pi, 16pi, 18pi}
List Ans -> List 1
cos List Ans
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
List 1
{0, 2pi, 4pi, 6pi, 8pi, 10pi, 12pi, 14pi, 16pi, 18pi}
List Ans
{0, 2pi, 4pi, 6pi, 8pi, 10pi, 12pi, 14pi, 16pi, 18pi}

There are 26 available list variables (1-26). In addtion Lists can be addressed with square brackets to extract values (index starts from 1):

List 1
{0, 2pi, 4pi, 6pi, 8pi, 10pi, 12pi, 14pi, 16pi, 18pi}
List 1[5]
8pi
List 1[1]
0

Another useful function is Seq accessed by [OPTN][F1][F5] which allows you to create function tables directly without having to jump into the table mode:
seq(<function>, <function variable>, <start>, <stop>, <interval size> )

You can use the List addressing to input the list values from the output from the SolveN function like entering cos directly above:

SolveN((sinx)'=1, x, 0, 20pi)
{0, 2pi, 4pi, 6pi, 8pi, 10pi, 12pi, 14pi, 16pi, 18pi}
List Ans -> List 1
seq(cos List 1[x], x, 1, 10, 1)
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1}

I don't know all of the functions myself, but Casio is pretty good with handling lists. You can for example take an input list in pounds and output a list in kg using the unit convertor, without having to input each value individually.