Guide for Authors

Equations

Preparing Equations for Submission

Sample Equation and Number

Incorporating Equations into the Text

Do not derive or reproduce standard equations. Do not repeat previously published derivations of recognized equations; rather, cite a reference to a source and refer to the equation by its standard name. State only those assumptions and initial boundary conditions needed to understand the development of the equation.

For new equations, state all assumptions and initial boundary conditions and give sufficient derivation for the reader to understand the development. Show only those mathematical steps required for comprehension. Interpret the significance of the mathematics, and indicate the accuracy and range of usefulness of the equations. Please observe the following points:

· Equations do not have captions. Instead, number the equations consecutively and refer to them in the text as equation 1, equation 2, etc. Supply the equation number, in parentheses, to the right of the equation. Do not include the equation number within the equation editor box.

· Define variables and supply SI units. If there are more than two such elements in an equation, then list them individually after the equation (as in the sample equation).

Preparing Equations for Submission

For Transactions of the ASAE and Applied Engineering in Agriculture, prepare each equation to fit within an 18-pica (3-inch) text column. If necessary, rearrange the equation to fit within this width, by using multiple rows, for example. For the Journal of Agricultural Safety and Health, make each equation no wider than 25.5 picas (4.25 inches). Keep the following points in mind:

·  Prepare equations in electronic form using equation-editing software (such as the Equation Editor in Microsoft Word). Each equation must be in a form that can be edited. Do not create equations that become graphic elements in Word.

·  The type style in the equation must match the type style in the corresponding text. Italicize lowercase variables. Due to software limitations, do not italicize Greek letters.

· When necessary to fit the text column, break an equation before an operational sign or at a major bracket.

· Simple equations may be created with word-processing functions rather than with an equation editor. Simple equations may also be incorporated into the text, in which case they are not numbered.

· For mathematical expressions that must be embedded in the text, use an equation editor only when you cannot create the expression using standard word-processing functions. For example, expressions such as ± 5°C, r ²₃, and 3.22 ´ 10⁶ can be created in Word using superscripting, subscripting, and the Symbol font.

Incorporating Equations into the Text

Insert each equation into your manuscript at the point where you would like it to appear in the published article. Equations are usually introduced by the preceding sentence followed by a colon (see the sample equation above). When used in the text, the word "equation" is not capitalized, except at the beginning of a sentence, and is abbreviated (eq.) only in parentheses.