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2. Conversion of units - Wikipedia

   en.wikipedia.org/wiki/Conversion_of_units

   Conversion of units is the conversion of the unit of measurement in which a quantity is expressed, typically through a multiplicative conversion factor that changes the unit without changing the quantity. This is also often loosely taken to include replacement of a quantity with a corresponding quantity that describes the same physical property ...

3. Per-unit system - Wikipedia

   en.wikipedia.org/wiki/Per-unit_system

   The base value should only be a magnitude, while the per-unit value is a phasor. The phase angles of complex power, voltage, current, impedance, etc., are not affected by the conversion to per unit values. The purpose of using a per-unit system is to simplify conversion between different transformers.

4. Drake equation - Wikipedia

   en.wikipedia.org/wiki/Drake_equation

   The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way Galaxy. [1][2][3] The equation was formulated in 1961 by Frank Drake, not for purposes of quantifying the number of civilizations, but as a way to stimulate scientific dialogue at the first ...

5. Image sensor format - Wikipedia

   en.wikipedia.org/wiki/Image_sensor_format

   Sizes are often expressed as a fraction of an inch, with a one in the numerator, and a decimal number in the denominator. For example, 1/2.5 converts to 2/5 as a simple fraction, or 0.4 as a decimal number. This "inch" system gives a result approximately 1.5 times the length of the diagonal of the sensor.

6. Lowest common denominator - Wikipedia

   en.wikipedia.org/wiki/Lowest_common_denominator

   The lowest common denominator of a set of fractions is the lowest number that is a multiple of all the denominators: their lowest common multiple. The product of the denominators is always a common denominator, as in: but it is not always the lowest common denominator, as in: Here, 36 is the least common multiple of 12 and 18.

7. Daily mortgage rates for Oct. 9, 2024: Average rates march ...

   www.aol.com/finance/daily-mortgage-rates-for-oct...

   Refinance rates for Wednesday, October 9, 2024. 30-year fixed rate — 6.48%. 20-year fixed rate — 6.28%. 15-year fixed rate — 5.79%. 10-year fixed rate — 5.74%. 5/1 adjustable rate mortgage ...