What I illustrate here demonstrates how important the symbol-referent connection is. If one is not careful, then they extend that subtle assumption that we are adding things of the same kind.

The main point is that quantities add, whereas numbers do not … unless of course you assume that numbers are always parts of the same whole–which is not a valid assumption.

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]]>Thank you for all the work you put into creating the statistics calculator and the time you spent making the videos. You have saved my sanity.

jenny ]]>

Erin

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]]>1. PC: https://www.youtube.com/watch?v=Wi63WP_5EKo

2. PC: https://www.youtube.com/watch?v=ZX6JoWShL8c

3. Mac: https://www.youtube.com/watch?v=4SboQY13NQE&t=12s

4. Mac: https://www.youtube.com/watch?v=TN7tM7iOx4E

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]]>I am a current 399 student of Mr. Farinelli’s. I am looking to download the TI-83/84 calculator that you mention in one of your lab videos. Where could I access these instructions?

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