if you type in these exact numbers on a calculator and turn it upside-down, your calculator should say Oboe Shoes, an Oboe is a type of instrument, similar to a clarinet.
Look i can make mine say "Oboe Shoes"! (shows calculator with 530453080 written on it)
by maxatron January 05, 2009
When typed on most calculators and flipped upside down, reads "OBOE SHOES" or "OBOESHOES". Featured within a Strong Bad email, "Technology".
"Look, I can even write 'OBOE SHOES'!" (Upside-down calculator reads: 53045 3080)
by Niltiak May 09, 2006