math grenade
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
The Curta, a cylindrical hand-held mechanical calculator invented in the 1930s.
Register: slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “math grenade” mean?
The Curta, a cylindrical hand-held mechanical calculator invented in the 1930s.
Is “math grenade” formal or informal?
math grenade is generally slang.