When using percentages within body copy, the number is expressed in figures, even when it is less than 10, and the word percent is used. (Note: Percent is one word and is singular.)
- Sam Rich said 8 percent of the population is eligible for the program.
The percent symbol (%) should be used only in charts and figures or in scientific or statistical copy. (CM15 9.19; CM14 8.18)
As area codes are now required in most phone dialing, omit parentheses and use hyphens when listing phone or fax numbers.
- (412) 624-4147 or 412.624.4147
Use the 1 in front of toll-free numbers.
- 1-800-123-4567 or 1-877-987-6543
Avoid the use of Pittsburghese, as in the following:
- The clothes need washed.
- The dog needs out.
- The clothes need to be washed.
- The dog needs to go out.
Follow guidelines as published in CM15 7.6–30 and CM14 6.7–30 and 6.82 except for words that end in s.
- dos and don’ts
- MDs, MBAs, PhDs
- in twos and threes
- the early 1920s; in the ’70s
- p’s and q’s
- straight A’s
- Texas’ population
- Jones’ car
See Capitalization section.
See Departments, Offices, Programs, Schools section.
See Hyphens, Compounds section, item 7.
See Endowed Chairs, Professorships section.
The word proved is always either a verb or part of a verb phrase.
- Joe proved the problem existed.
- Joe has proved the problem existed.
Use the word proven only as an adjective.
- The medicine was a proven remedy.