Symbols:D/deka-
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deka-
- $\mathrm {da}$
The Système Internationale d'Unités symbol for the metric scaling prefix deka, denoting $10^{\, 1 }$, is $\mathrm { da }$.
Its $\LaTeX$ code is \mathrm {da} .
Also known as
Some sources give deka- as deca-, but this is easily confused with deci-.
As a consequence, deka- is the preferred usage on $\mathsf{Pr} \infty \mathsf{fWiki}$.
Linguistic Note
The prefix deka- derives from Ancient Greek δέκα (déka), meaning ten.
Sources
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $1.$ Units and Abbreviations: $1.1$ Decimal prefixes
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): da
- 2021: Richard Earl and James Nicholson: The Concise Oxford Dictionary of Mathematics (6th ed.) ... (previous) ... (next): da