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The calculator's unusual single-scale design [note 3] makes its 12.70-metre (500-inch) helical spiral equivalent to a scale twice this length on a traditional slide rule – 25.40 metres (1,000 inches) long. The scale can always be read to four significant figures and often to five.
linear scale used for addition, subtraction, and (along with the C and D scales) for finding base-10 logarithms and powers of 10 LL0N (or LL/N) and LLN log-log folded e − x {\displaystyle e^{-x}} and e x {\displaystyle e^{x}} scales, for working with logarithms of any base and arbitrary exponents. 4, 6, or 8 scales of this type are commonly seen.
In addition, a fixed exchange rate prevents a government from using domestic monetary policy to achieve macroeconomic stability. [ 137 ] As of 2023, Denmark is the only OECD country which maintains a fixed exchange rate (against the euro ), but it is frequently used as a monetary policy strategy in developing countries.
Many early texts mention Pythagorean triples and so, by inference, the Pythagorean theorem seems to be the most ancient and widespread mathematical concept after basic arithmetic and geometry. It is in Babylonian mathematics that elementary arithmetic (addition, subtraction, multiplication, and division) first
The rule estimates the expected date of delivery (EDD) by adding a year, subtracting three months, and adding seven days to the origin of gestational age. Alternatively there are mobile apps , which essentially always give consistent estimations compared to each other and correct for leap year , while pregnancy wheels made of paper can differ ...
Regret theory is a model in theoretical economics simultaneously developed in 1982 by Graham Loomes and Robert Sugden, [1] David E. Bell, [2] and Peter C. Fishburn. [3] Regret theory models choice under uncertainty taking into account the effect of anticipated regret.
The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...
A page from the Bombardier's Information File (BIF) that describes the components and controls of the Norden bombsight.It was a highly sophisticated optical/mechanical analog computer used by the United States Army Air Force during World War II, the Korean War, and the Vietnam War to aid the pilot of a bomber aircraft in dropping bombs accurately.