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  2. Economic order quantity - Wikipedia

    en.wikipedia.org/wiki/Economic_order_quantity

    Economic order quantity. Economic order quantity ( EOQ ), also known as financial purchase quantity or economic buying quantity, [citation needed] is the order quantity that minimizes the total holding costs and ordering costs in inventory management. It is one of the oldest classical production scheduling models.

  3. Rainwater harvesting - Wikipedia

    en.wikipedia.org/wiki/Rainwater_harvesting

    Rainwater harvesting. Basic configuration of domestic rainwater harvesting system in Uganda. [1] Rainwater harvesting ( RWH) is the collection and storage of rain, rather than allowing it to run off. Rainwater is collected from a roof-like surface and redirected to a tank, cistern, deep pit ( well, shaft, or borehole ), aquifer, or a reservoir ...

  4. Nafl prayer - Wikipedia

    en.wikipedia.org/wiki/Nafl_prayer

    In Islam, a Nafl Prayer, (pl. nawafil) ( Arabic: صلاة النفل, ṣalāt al-nafl) or optional prayer, is a type of a non-obligatory prayer. They are believed to give extra reward to the person performing them, similar to sunnah prayers . According to the following tradition ( hadith ), performing nafl prayers help one to draw closer to ...

  5. Tahajjud - Wikipedia

    en.wikipedia.org/wiki/Tahajjud

    Tahajjud, (Arabic: تَهَجُّد) also known as the "night prayer" or "Qiyam-u-lail", is a voluntary prayer performed by followers of Islam.It is not one of the five obligatory prayers required of all Muslims, although the Islamic prophet Muhammad was recorded as performing the tahajjud prayer regularly himself and encouraging his companions.

  6. Zakat al-Fitr - Wikipedia

    en.wikipedia.org/wiki/Zakat_al-Fitr

    Purpose. The main purpose of Zakat al-Fitr is to provide the poor which they can celebrate the festival of breaking the fast ( `Eid al-Fitr) [4] along with the rest of the Muslims. Its purpose is: As a levy on the fasting person. This is based on the hadith: The Prophet of Allah said, "The fasting of the month of fasting will be hanging between ...

  7. Zakat - Wikipedia

    en.wikipedia.org/wiki/Zakat

    Zakat is additionally payable on agricultural goods, precious metals, minerals, and livestock at a rate varying between 2.5% and 20% (1/5), depending on the type of goods. Zakat is usually payable on assets continuously owned over one lunar year that are in excess of the nisab, a minimum monetary value.

  8. MOQ - Wikipedia

    en.wikipedia.org/wiki/MOQ

    MOQ. Look up MOQ, moq, or -moq in Wiktionary, the free dictionary. MOQ, Moq, Moq., moq, or MoQ may refer to: Pirsig's metaphysics of quality (MOQ) – a theory of reality. Alfred Moquin-Tandon – a botanist whose author abbreviation is Moq. Morondava Airport – a Madagascan airport with the IATA code MOQ. Mor language (Papuan) – a human ...

  9. Decision tree learning - Wikipedia

    en.wikipedia.org/wiki/Decision_tree_learning

    t. e. Decision tree learning is a supervised learning approach used in statistics, data mining and machine learning. In this formalism, a classification or regression decision tree is used as a predictive model to draw conclusions about a set of observations. Tree models where the target variable can take a discrete set of values are called ...