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Diary of Merer. The Diary of Merer (also known as Papyrus Jarf) is the name for papyrus logbooks written over 4,500 years ago by Merer, a middle-ranking official with the title inspector ( sḥḏ, sehedj ). They are the oldest known papyri with text, dating to the 27th year of the reign of pharaoh Khufu during the 4th dynasty. [1]
A logbook (or log book) is a record used to record states, events, or conditions applicable to complex machines or the personnel who operate them. Logbooks are commonly associated with the operation of aircraft, nuclear plants, particle accelerators, and ships (among other applications). The term logbook originated with the ship's log, a ...
The history of logarithms is the story of a correspondence (in modern terms, a group isomorphism) between multiplication on the positive real numbers and addition on the real number line that was formalized in seventeenth century Europe and was widely used to simplify calculation until the advent of the digital computer.
Robert Schwalb, 2015. Nationality. American. Occupation. Game designer. Known for. Dungeons & Dragons. Robert J. Schwalb is a writer in the role-playing game industry, and has worked as a game designer and developer for such games as Dungeons & Dragons, A Song of Ice and Fire Roleplaying, Warhammer Fantasy Roleplay, and many other RPG supplements.
Charles Robert Schwab Sr. (born July 29, 1937) is an American investor and financial executive. He is the founder and chairman of the Charles Schwab Corporation. He pioneered discount sales of equity securities starting in 1975. His company became by far the largest discount securities dealer in the United States.
Charles Michael Schwab (February 18, 1862 – September 18, 1939) was an American steel magnate. Under his leadership, Bethlehem Steel became the second-largest steel maker in the United States, and one of the most important heavy manufacturers in the world.
Common logarithm. A graph of the common logarithm of numbers from 0.1 to 100. In mathematics, the common logarithm is the logarithm with base 10. [1] It is also known as the decadic logarithm and as the decimal logarithm, named after its base, or Briggsian logarithm, after Henry Briggs, an English mathematician who pioneered its use, as well as ...
Logbook loan. A logbook loan is a form of secured lending in the United Kingdom and is the most common modern example of a security bill of sale. Borrowers transfer ownership of their car, van or motorcycle to the logbook lender as security for a loan. While making repayments borrowers keep possession of their vehicle and continue to use it.