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Chapter 2. Defining Fields > Create Number Fields

Create Number Fields

Number fields are used to store numeric data: the digits 0-9, a decimal point, and a sign (+ or -). You use a Number field when you want to be able to sort numerically (rather than alphabetically), perform calculations on the field, or use the data in a Summary field (as a summary calculation in a report, for example).

Only two Number fields in this database will have to be entered for each record. They are the beginning and ending mileage for each trip (Start Mileage and End Mileage). All other Number fields are global; that is, each will have one value for the entire database and will be used as a constant in calculations.


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