We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
Another letter kept only for counting.
Also known as: Qoppa
The Greek sign for the numeral ninety, surviving from a letter dropped from the alphabet.
Writes the numeral ninety in the Greek alphabetic number system.
Contexts: Mathematics, History
The ancestor of the Latin letter Q, which entered the Roman alphabet from Greek before Greek itself discarded the letter.
Contexts: Mathematics, History
A glyph resembling a lightning-bolt zigzag or a circle on a stem, depending on period, standing between pi and rho in the numeral sequence.