If you are wondering what calculator to get for Stat 2000, first of all, the calculator you used in Stat 1000 should be fine.  There is nothing extra your calculator needs to be able to do.  If you need to buy a new calculator, don't buy an expensive one. Note that you are not allowed to use those pricey graphing calculators you may have used in high school.

 

Be careful though. A really cheap calculator may not have enough features.

 

My suggestions:

• Make sure the calculator is Scientific. Business calculators tend to be too clunky for statistics and often lack key features. 
• Make sure the calculator has four arrow buttons (up, down, left, right). They are usually at the top of the keypad. Sometimes they are presented as a big circular button with four arrows at the compass points. The arrows have nothing to do with statistics, but are just a signifier that the calculator is a good one.
• My favourite brand is Sharp, but Casio is good, too. Texas Instruments calculators are acceptable, too, but tend to be a little clunky to use.
• Never spend more than $20, and even $10 calculators are starting to be good enough. A calculator that costs less than $10 may not be adequate though. If you aren't sure contact me before you open the package. Don't trust the store clerk. I find they rarely know what calculator is good enough.