دالة NA

دالة NA ترجع الخطأ N/A#

معاملات دالة NA

لا تحتاج إلى معاملات

مثال على دالة NA

في الشكل التالي دالة NA ترجع الخطأ N/A#

يمكنك الاستغناء عن دالة NA وكتابة الخطأ N/A# يدويا .

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