Niphates digitalis Niphates digitalis Niphates digitalis, the pink vase sponge, is a species of demosponge belonging to the Niphatidae family. It is native to the Florida Keys, The Bahamas, and the Caribbean including the Netherlands Antilles. The species was first described by Jean-Baptiste Lamarck in 1814. The pink vase sponge is a demosponge that can grow up to 50 cm in height and width, but is more commonly smaller. It is re normally vase-, tube-, or cup-shaped with a narrow base and broader top, and somewhat flattened when viewed in cross section. Rarely, it can grow as a fan shape. Despite its
Derive (computer algebra system) Derive (computer algebra system) Derive was a computer algebra system, developed as a successor to muMATH by the Soft Warehouse in Honolulu, Hawaii, now owned by Texas Instruments. Derive was implemented in , also by Soft Warehouse. The first release was in 1988 for DOS. It was discontinued on June 29, 2007 in favor of the TI-Nspire CAS. The last and final version is Derive 6.1 for Windows. Since Derive required comparably little memory, it was suitable for use on older and smaller machines. It was available for the DOS and Windows platforms and was used also in TI pocket