Abstract
Gypsum is the more common name for a mineral compound called calcium sulphate dihydroxide, or sulphate of lime. Gypsum is generally found underground near deposits of limestone or other minerals formed by evaporation. Gypsum much in use for home or office interior. NBA Gypsum is one of the many shops that exist in yogyakarta, which was established in 2007. At least 20 people who came to visit this shop every day. Transaction of products in the shop is still done manually that is stored in the sheets which resulted in the accumulation of data, so it requires a new method of data storage each transaction that is able to process data quicly and accurately.
Pendahuluan
Gypsum adalah nama yang lebih umum untuk suatu senyawa yang disebut kalsium dihydroxide mineral sulfat, atau sulfat kapur. Gypsum umumnya ditemukan dilapisan dekat bawah tanah dari batu gamping atau mineral lainnya, yang dibentuk oleh penguapan. Gypsum banyak dipakai untuk interior rumah atau perkantoran.
Peneliti: BAYU YOHN S
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