Calculus Anyone?



This was the first of the two columns I had in the PSMATYC Newsletter: I had had Calculus on my mind for a very long time so, as "they" say, it came easy to me.
1. 5_20_89
2. 12_3_89
3. 5_4_90
4. 8_26_90
5. 3_26_91
6. 10_10_91
7. 10_10_91