I've calculated this on my Bomar calculator and ...
Wow I remember that. My first calculator was the Bomar ...
My first calculator was the Bomar Brain cost $300 ... cool digital thing to do was to spell out words on your calculator when you turned it upside down.
I'VE USED AN OLD CALCULATOR, and did some math using reverse polish notation :)
MADE IN USA, when china was still counting on fingers.
THE BUTTONS WERE NOT BUTTONS BUT METAL PADS. YOU HAD TO USE A PEN WIRE ON THE INPUT SQUARES. RED LED SCREEN
i think it was a prised possession of the dr. of mathematics - father of a friend who gave me the show and tell on it
try and find it on the internet :)
you'll find a surprising number of HUGE TECH NEWS FROM PAST, like 100-wide bus (today's is 64, they had 100 wide in the 1980's for a reasonable price)
are hidden by google
GOOGLE ASIANS ARE DELETING AND HIDING USA'S HISTORY TO SELL THEIR COMMUNIST REGIME PRODUCTS
CLAIMING THEY ARE PERSONAL PHYSICAL AND INTELLECTUAL PROPERTY OF ASIANS