dd85e237_Xlt_widget_set__Widget_Description
[Widget Name] XltNumEntry [Widget Description] 
An XmLabel, XmTextField and a couple of XmArrowButtons for numeric data entry. This has a built in calculator, so you can enter "4 * sin(PI)" as "4 * sin(PI)" instead of ".2192". It's pretty cool, if I do say so myself.
Xlt widget set
Widget Description