Number To Exponential String Function

FlexRIO Help

Edition Date: November 2015

Part Number: 372614J-01

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Owning Palette: String/Number Conversion Functions

Requires: Base Development System

Converts number to an E-format (exponential notation), floating-point string at least width characters wide or wider if necessary.

The connector pane displays the default data types for this polymorphic function.

use system decimal point defines the decimal separator. If TRUE (default), the decimal separator uses the localized decimal separator. If FALSE, the decimal separator is a period.
number can be a scalar number, array or cluster of numbers, array of clusters of numbers, and so on.
width must be numeric. If unwired, the function uses exactly as many digits as are needed to represent the number, with no extra padding.
precision must be numeric. The function rounds the number of digits after the decimal point of the output string to precision.
E-format string is the resulting string. The following table shows how the values of number, width, and precision affect E-format string. In this table, the underline character ( _ ) represents a space in E-format string.
numberwidthprecisionE-format stringComments
4.911524.91e0number is rounded, width is extended.
.003926102_ _ _3.93e–3number is rounded, padded with spaces on the left.
216.0150_ _2e2number is rounded, padded with spaces on the left.

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