Symbols:I/Roman Numeral
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Roman Numeral
- $\mathrm I$ or $\mathrm i$
The Roman numeral for $1$.
Its $\LaTeX$ code is \mathrm I or \mathrm i.
Sources
- 1989: Ephraim J. Borowski and Jonathan M. Borwein: Dictionary of Mathematics ... (previous) ... (next): i or I: 1.
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): I
- 2021: Richard Earl and James Nicholson: The Concise Oxford Dictionary of Mathematics (6th ed.) ... (previous) ... (next): I