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--- en:round [2020/04/21 21:18]
admin created
+++ en:round [2020/04/21 21:26] (current)
admin [Description]
@@ Line 3: / Line 3: @@
 ==== Format ====
-**round** ( [[numericexpressions|Numeric_expression]] )
+**round** ( [[numericexpressions|Numeric_expression]] )\\
+**round** ( [[numericexpressions|Numeric_expression]], [[numericexpressions|Integer_expression]] )\\
-return [[booleanexpressions|boolean_expression]]
+return [[numericexpressions|Numeric_expression]]
 ==== Description ====
-The IsNumeric function returns true if the expression is an integer, a floating point number, or if it is a string that can be directly converted to a number.  Otherwise it returns false.
+This function rounds a floating point number.  The optional second argument (an integer) defines how many decimal places to round to.
+==== Example ====
-The following Numeric strings are valid: "123", "-345", "234.234324", "-34234.123", "-2.567e7", and "6.7888E-8".
+<code>
+a = 3.1415926535
+print round(a)
+print round(a,1)
+print round(a,2)
+print round(a,3)
+print round(a,4)
+</code>
+<code>
+.0
+.1
+.14
+.142
+.1416
+</code>
 ==== See Also ====

DokuWiki