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## Main Question or Discussion Point

Here's what I want to do on the calculator.

1) Input sets of numbers, for example 3,6,9... in any notation, for example {3,6,9,infinity} or {x|x/3 >= 1 >= infinity}

2) use set theory (not now, but when I get into pre-cal/college.)

1) Input sets of numbers, for example 3,6,9... in any notation, for example {3,6,9,infinity} or {x|x/3 >= 1 >= infinity}

2) use set theory (not now, but when I get into pre-cal/college.)