# Expressing Numbers CSE

**Use Numerals for the Following**:

1. In general, all numbers

2. Whole and decimal numbers in scientific text, titles, headings, tables, and figure captions

3. To express mathematical relationships, e.g., ratios and multiplication factors

4. Zero or one when they are connected to units or specify assigned or calculated values, e.g., when z = 0 and a mean of 0, or when they are part of a series or are closely linked to other numbers, e.g., between 0 and 2.

5. Single-digit ordinals when they are part of a series including double-digit ordinals or are closely linked to double-digit ordinals

6. Single-digit ordinals when they are used repeatedly

7. Fractions greater than 1, given as mixed fractions

**Use Words for the Following**:

1. Numbers whose quantitative function is subordinated to an essentially non-quantitative meaning or the number is used idiomatically, e.g., among the four of us and the sixty-four-dollar question

2. Zero or one in general usage

3. Numbers beginning a sentence, title, or heading

4. Single-digit ordinals

5. Fractions less than 1

**Use Words and Numerals for the Following**:

1. When two numbers are adjacent, spell out one and express the other as a numeral, e.g., the sample was divided into eight 50-g aliquots.