What about cell phone and pocket calculators? Microsoft Excel can let you organize your data nicely for expected value and net present value calculations for internet purchases, decisions on insurance, etc. There’s no shame in using arithmetic aids, just as we use supplementary memory to remember telephone numbers and the like.
Julian,
What about cell phone and pocket calculators? Microsoft Excel can let you organize your data nicely for expected value and net present value calculations for internet purchases, decisions on insurance, etc. There’s no shame in using arithmetic aids, just as we use supplementary memory to remember telephone numbers and the like.