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  2. Cash rounding - Wikipedia

    en.wikipedia.org/wiki/Cash_rounding

    Prices are generally rounded to the nearest 10 won (though generally to the nearest 50 or 100 won in many stores apart from supermarkets), and cash payments are rounded to the same. In Ukraine, from 1 October 2019, the 1-, 2- and 5-kopiyka coins were demonetized and withdrawn from circulation, with the 25-kopiyok coin softly withdrawn. From ...

  3. Rounding - Wikipedia

    en.wikipedia.org/wiki/Rounding

    In particular, for resistors with a 10% accuracy, they are supplied with nominal values 100, 120, 150, 180, 220, etc. rounded to multiples of 10 . If a calculation indicates a resistor of 165 ohms is required then log(150) = 2.176, log(165) = 2.217 and log(180) = 2.255. The logarithm of 165 is closer to the logarithm of 180 therefore a 180 ohm ...

  4. Scientific notation - Wikipedia

    en.wikipedia.org/wiki/Scientific_notation

    Using scientific notation, this value can be uniformly expressed to any desired precision, from the nearest tenth of a millimeter 2.54 × 10 1 mm to the nearest nanometer 2.540 0000 × 10 1 mm, or beyond. Hyperinflation means that too much money is put into circulation, perhaps by printing banknotes, chasing too few goods. It is sometimes ...

  5. Qalculate! - Wikipedia

    en.wikipedia.org/wiki/Qalculate!

    Qalculate! supports common mathematical functions and operations, multiple bases, autocompletion, complex numbers, infinite numbers, arrays and matrices, variables, mathematical and physical constants, user-defined functions, symbolic derivation and integration, solving of equations involving unknowns, uncertainty propagation using interval arithmetic, plotting using Gnuplot, unit and currency ...

  6. Percentile - Wikipedia

    en.wikipedia.org/wiki/Percentile

    The figure shows a 10-score distribution, illustrates the percentile scores that result from these different algorithms, and serves as an introduction to the examples given subsequently. The simplest are nearest-rank methods that return a score from the distribution, although compared to interpolation methods, results can be a bit crude.

  7. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. TI SR-50 - Wikipedia

    en.wikipedia.org/wiki/TI_SR-50

    SR-50 (1974) Printed circuit board. Data code 035: 3rd week 1975. The SR-50 was Texas Instruments' first scientific pocket calculator with trigonometric and logarithm functions. . It enhanced their earlier SR-10 and SR-11 calculators, introduced in 1973, which had featured scientific notation, squares, square root, and reciprocals, but had no trig or log functions, and lacked other featur

  9. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Likewise, 14 is a multiple of 2, so the product should be even. Furthermore, any number which is a multiple of both 5 and 2 is necessarily a multiple of 10, and in the decimal system would end with a 0. The correct answer is 210. It is a multiple of 10, 7 (the other prime factor of 14) and 3 (the other prime factor of 15).