![a man holds up a calculator upside down, with the words boobies written in in numbers Stock Photo - Alamy a man holds up a calculator upside down, with the words boobies written in in numbers Stock Photo - Alamy](https://c8.alamy.com/comp/E9F1KM/a-man-holds-up-a-calculator-upside-down-with-the-words-boobies-written-E9F1KM.jpg)
a man holds up a calculator upside down, with the words boobies written in in numbers Stock Photo - Alamy
Play-Doh - Who else remembers writing secret messages to your friends in class? You can always count on calculators to multiply your fun. | Facebook
![When you would turn your calculator upside down, spell "bad" words, and show your friends : r/nostalgia When you would turn your calculator upside down, spell "bad" words, and show your friends : r/nostalgia](https://i.redd.it/xdrcvs782lzz.jpg)