Economy was the one class in university that taught me the importance of software , and the value of creating it: when the teacher allowed for programmable calculators to be used for the exam, my heart jumped: this was an opportunity to do something I loved! And so I did not study for the exam, but instead made myself a basic program for my Casio FX series programmable calculator , so it could easily solve any of the questions the exam might contain. It barely fit the 28KB of the tiny tool, but I got it done and fully debugged in time for the exam.
Then the day of the exam arrived, and opening my exam I saw this would be a doozy: I could have been done in the time it took me to enter all problems into the Casio, and copy down its answers. Instead, I decided to first make the exam myself just using the regular calculator part of my little buddy. I was done with that in about half the time alloted, then double-checked my work with the program and found them all correct . I was the first to leave the classroom, and when the scores came back the exam commitee had added half a point because they deemed the exam to have been too dificult. That was the only time I ever got 10.5 out of 10 points!
