WIRED; It's Past Time for You To Ditch That Fancy Scientific Calculator

[Logan]

For me, a graphing calculator no longer has a place in my work flow, but a scientific calculator totally does. I can't tell you how handy it is in meetings to be able to quickly do some trigonometry, convert to nautical miles (program I wrote), or be able to on the fly calculate reflectivity of something.

And like someone else mentioned, it's the step I use to verify my programs are working and that I've gotten all my parentheses closed properly