The things that are seen as elements of sets are usually written with lowercase Roman letters.

Variables are often represented by Greek or Roman letters and may be used with other special symbols.

However if Roman letters are used the summation is only made over space coordinates (1, 2, 3).

Japanese keyboards (as shown in the image to the right) have both hiragana and Roman letters indicated.

Character names not for kanji use uppercase Roman letters, spaces, and hyphens.

The ones I'm actually working on are in Roman letters.

One church official in Rome characterized the response as "a typically Roman letter."

Hence, the same hangul letter may be represented by different Roman letters, depending on its pronunciation in context.

Literature, for example, was being made available to blind students by way of embossed Roman letters.

The Mizos never had a written script until the missionaries introduced Roman letters.