Calculator spelling, an unintended characteristic of 7-segment display traditionally used by calculators. When read upside-down, digits resemble letters of Latin alphabets.
Each digit can be mapped to one or more letters, creating a limited but functional subset of alphabets, referred to as beghilos.
| Digit | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | b | C | d | E | F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Letter | O/0 | I/1 | Z/2 | E/M | h/A | S/5 | g/q | L/T | B/8 | G/g/b | W | q/9 | ) | P/p | 3 | s |
BEghlLOSZ:

Aside from novelty and amusement, calculator spelling has limited utility.
5318008 = BOOBIES
0.7734 = hELLO
Other words possible – LOOSE, ShELL, BEIgE, gOBBLE, gOOgLE.
Among the longest – gLOSSOLOgIES, BIBLIOLOgIES, hILLBILLIES, SLEIghBELLS.
On 10 digit calculators, the numbers:
5304577351 = I SELL ShOES
77151345 = ShE IS ILL
7715134 = hE IS ILL
7734206 = gO 2 hELL
8008 = BOOB
71077345 = SHELL-OIL
Only few calculators are capable of being used for beghilos calculator spelling. LCD, VFD, LED displays are best for spelling words.
Crazy fun trying to figure out new words. Which ones can you spot?
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