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تابع ISNUMBER

تابع ISNUMBER یک مقدار ورودی را بررسی می‌کند که آیا آن ورردی در اکسل یک عدد است یا خیر.

شرح تابع ISNUMBER

درجه اهمیت: کاربردی

از طریق تابع ISNUMBER می‌توانیم بررسی کنیم که آیا یک مقدار ورودی در اکسل یک مقدار عددی محسوب یا خیر. در صورت عدد بودن ورودی، تابع خروجی TRUE و در صورت عدد نبودن آن، تابع خروجی FALSE می‌دهد. این تابع در اکسل در طبقه توابع Information قرار دارد.

نوشتار این تابع به صورت زیر است:

=ISNUMBER(مقدار ورودی)

ورودی های این تابع به شرح زیر هستند

مقدار ورودی :   یک مقدار که می‌خواهیم تحت بررسی تابع قرار گیرد.

آنچه که تابع باز می گرداند

تابع ISNUMBER یک مقدار منطقی TRUE و یا FALSE را بازمی‌گرداند.

نکات

– برای دانلود مجموعه کامل راهنمای توابع به همراه فایل های مثال در اکسل به لینک کتاب «راهنما و مثال های توابع مایکروسافت اکسل» رجوع شود.

مثال های تابع ISNUMBER

مثال ۱

در مثال زیر نحوه کاربری تابع ISNUMBER را مشاهده می‌کنید.

نکته: در ردیف ۸ از مثال بالا توجه داشته باشید که اگر مقدار ورودی ترکیبی از حرف و عدد باشد نیز نتیجه FALSE خواهد شد. به عبارت دیگر حتی اگر یک حرف هم در بین تعداد بسیاری از اعداد باشد نیر خروجی FALSE می‌شود.

برای یادگیری نرم افزار اکسل به صورت کاربردی به دوره «آموزشی اکسل کاربردی» رجوع شود.

برای یادگیری برنامه نویسی به زبان VBA به دوره «آموزش VBA در اکسل» مراجعه نمایید.

خطاهای معمول

ندارد.

۱ responses on "تابع ISNUMBER"

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