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--- syntax:functions:asnumber [2015/01/29 22:23] – created dmitry
+++ syntax:functions:asnumber [2015/04/18 23:04] – dmitry
@@ Line 1: / Line 1: @@
 ===== AsNumber(value) =====
-Converts the //value// to number.
+This function converts the //value// to number. This is useful when you wish to validate the contents of a field or retrieve the number value of a field.
-Text should have only digits and one decimal point.
+  * Text should have only digits and one decimal point.
+  * Boolean is converted into -1 (TRUE) or 0 (FALSE).
+  * Number remains itself.
+  * Everything else returns error.
-Boolean is converted into -1 (true) or 0 (false).
+^  Example  ^  Result  ^
+| asnumber( 0 - 13 )  |  -13  |
+| asnumber( 1 > 2 )  |  0  |
+| asnumber( 'text' )  |  #Can't convert to number  |
-Number remains itself.
-Everything else returns error.
+=== See also ===
+  * [[syntax:functions:astext| AsText(value)]]