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In mathematics, an empty product, or nullary product or vacuous product, is the result of multiplying no factors.It is by convention equal to the multiplicative identity (assuming there is an identity for the multiplication operation in question), just as the empty sum—the result of adding no numbers—is by convention zero, or the additive identity.
Front page of a floppy disk controller data sheet (1979) A datasheet, data sheet, or spec sheet is a document that summarizes the performance and other characteristics of a product, machine, component (e.g., an electronic component), material, subsystem (e.g., a power supply), or software in sufficient detail that allows a buyer to understand what the product is and a design engineer to ...
Six gay pornographic actors during the 2010 Blatino Erotica Awards. This is a list of notable men who have appeared in gay pornographic films.Pornography has become more mainstream and as of 2009 was a $13 billion industry in the United States; globally consumers spent more than US$3000 on porn every second of every day, in 2009. [1]
Products on shelves at a Fred Meyer hypermarket superstore. In marketing, a product is an object, or system, or service made available for consumer use as of the consumer demand; it is anything that can be offered to a domestic or an international market to satisfy the desire or need of a customer. [1]
Cardiac Arrhythmia Diagnosis & Treatment Products (Biosense Webster) Carto 3 System [4] Thermocool Smarttouch SF Catheter [5] Carto Vizigo Bi-Directional Guiding Sheath [6] Pentaray Nav ECO High Density Mapping Catheter [7] Neurovascular (Cerenovus) Embotrap III Revascularization Device [8] Embovac Aspiration Catheter [9] Cerenovus Large Bore ...
In mathematics, the Kronecker product, sometimes denoted by ⊗, is an operation on two matrices of arbitrary size resulting in a block matrix.It is a specialization of the tensor product (which is denoted by the same symbol) from vectors to matrices and gives the matrix of the tensor product linear map with respect to a standard choice of basis.
Bayer and Flamsteed covered only a few thousand stars between them. In theory, full-sky catalogues try to list every star in the sky. There are, however, billions of stars resolvable by 21st century telescopes, so this is an impossible goal; with this kind of catalog, an attempt is generally made to get every star brighter than a given magnitude.
Design by Jean G. Theobald for Wilcox Silver Plate Co. / International Silver Company, (1928).. In Meriden and nearby Wallingford and Middletown, the companies that were banded together to form the International Silver Company included these companies: Meriden Britannia Company, Meriden Silver Plate Co., Middletown Plate Company, C. Rogers & Brother, Simpson, Hall, Miller & Co., Simpson Nickel ...