I remember in my Senior year of high school, the calculus teacher said for extra credit convert these equations into RPN. I then started creating a program in HP Basic on the Time sharing system our school used. From a Scientific America article that explained how to make it easy, I wrote a program to do it. Thus most of the higher math students thus got extra credit. The teacher found out after the semester was over, and got mad, my defense was find a better tool, use it and make life simpler. A line my Advanced Physics teacher always used.
In a way it was cheating, but in a way it was finding a better tool to use and make life simpler. Plus the teacher was always using my Casio programmable ca;c to test the imaginary math equations, since it could do imaginary math. But I could not use it when taking a test.
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