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A textbook is a book containing a comprehensive compilation of content in a branch of study with the intention of explaining it. Textbooks are produced to meet the needs of educators, usually at educational institutions. Schoolbooks are textbooks and other books used in schools. [1] [2] Today, many textbooks are published in both print and ...
Patents #1–#50. U.S. patent 334,823 - Commutator for Dynamo Electric Machines - 1886 January 26 - Elements to prevent sparking on dynamo-electric machines; Drum-style with brushes. U.S. patent 335,786 - Electric Arc lamp - 1886 February 9 - Arc lamp with carbon electrodes controlled by electromagnets or solenoids and a clutch mechanism ...
Book publishing data tracker Nielsen BookScan stated in 2013 that biography sales were dropping "far more sharply". [311] Kathryn Hughes , professor of life writing at the University of East Anglia and author of two biographies wrote, "The worry is that, if you can get all that information from Wikipedia, what's left for biography?"
Floating rate notes ( FRNs) are bonds that have a variable coupon, equal to a money market reference rate, like SOFR or federal funds rate, plus a quoted spread (also known as quoted margin ). The spread is a rate that remains constant. Almost all FRNs have quarterly coupons, i.e. they pay out interest every three months.
The relatively rapid decline in fertility is attributed to several factors, including extreme delays in marriage (almost unparalleled among developing countries in the region), the prevalence of illegal abortions, and the high proportion of single, unmarried women of reproductive age, with 25.9% of women aged 30–34 and 33.1% of men and women ...
Procrastination. Statue of Paul Pato, the personification of procrastination, made by János Nagy in Szőgyén (now: Svodín) Procrastination is the act of unnecessarily and voluntarily delaying or postponing something despite knowing that there could be negative consequences for doing so. It is a common human experience involving delays in ...
Interference theory. The interference theory is a theory regarding human memory. Interference occurs in learning. The notion is that memories encoded in long-term memory (LTM) are forgotten and cannot be retrieved into short-term memory (STM) because either memory could interfere with the other. [ 1] There is an immense number of encoded ...
The criteria referencing scheme came into effect in June 1987, and since its introduction examiner judgment, along with the merger of the E and O/N grades and a change to a resitable modular format from June 2002, has increased the percentage of A grade awards from 10 to >25%, and the A-E awards from 70 to >98%.