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QB64-PE/internal/help/CDBL.txt

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{{KW|CDBL}} converts a value to the closest {{KW|DOUBLE}}-precision value.
{{PageSyntax}}
:{{KW|CDBL}}({{Parameter|n}})
* Rounds to the closest {{KW|DOUBLE}}-precision decimal point value.
* Also can be used to define a value as {{KW|DOUBLE}}-precision.
''Example:''
{{CodeStart}}
A = 454.67
{{Cl|PRINT}} A; {{Cl|CDBL}}(A)
{{CodeEnd}}
{{OutputStart}}
454.67 454.6700134277344
{{OutputEnd}}
:Prints a double-precision version of the single-precision value stored in the variable named A. The last 11 numbers in the double-precision number change the value in this example, since A was previously defined to only two-decimal place accuracy.
{{PageSeeAlso}}
*{{KW|CINT}}, {{KW|CLNG}}, {{KW|CSNG}}, {{KW|_ROUND}}
{{PageNavigation}}