فی: تفاوت میان نسخه‌ها

* The [[شار مغناطیسی]] and [[شار الکتریکی]] in physics, with subscripts distinguishing the two.

* The [[تابع توزیع تجمعی]] of the [[توزیع نرمال]] in [[ریاضیات]] and [[آمار]].

* Strength (or resistance) reduction factor in [[مهندسی سازه]], used to account for statistical variabilities in materials and construction methods.

* The number of phases in a power system in [[مهندسی برق]], for example 1Φ for [[برق تک‌فاز]], 3Φ for [[۳ فاز]].