Calculators from the Ark to the iPhone

I have an old calculator. So old that people laugh when they see it and then politely change the subject. Now I hide it like a guilty secret if I am using it and I see someone coming. I keep it in my desk drawer and only sneak it out to do quick simple arithmetic that I am too lazy to do by hand. Despite the shame, I will probably keep it forever. I cannot abandon it just because it is now old and extremely unfashionable. It was useful! It served me well throughout my undergraduate and graduate studies when I actually used the vast array of statistical functions it offers. I also used it a lot in the lab to do the many routine, small calculations required from day to day. Continue reading “Calculators from the Ark to the iPhone”