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  2. Exact trigonometric values - Wikipedia

    en.wikipedia.org/wiki/Exact_trigonometric_values

    The trigonometric functions of angles that are multiples of 15°, 18°, or 22.5° have simple algebraic values. These values are listed in the following table for angles from 0° to 45°. [ 1 ] In the table below, the label "Undefined" represents a ratio 1 : 0. {\displaystyle 1:0.}

  3. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    The first 3 powers of 2 with all but last digit odd is 2 4 = 16, 2 5 = 32 and 2 9 = 512. The next such power of 2 of form 2 n should have n of at least 6 digits. The only powers of 2 with all digits distinct are 2 0 = 1 to 2 15 = 32 768 , 2 20 = 1 048 576 and 2 29 = 536 870 912 .

  4. Coinage of Populonia - Wikipedia

    en.wikipedia.org/wiki/Coinage_of_Populonia

    This third series features four silver coins and one bronze trient. The silver coins are of 10, 5, and 2 1/2 units. In the 10-unit coin, the weight of the known specimens varies between 2.15 and 3.3 g; the 5-unit ones between 0.9 and 1.2 g, while the 2 1/5-unit one weighs 0.9. This coin could also belong to the second series. [4]

  5. Cash-out refinance explained: How it works — and when it can ...

    www.aol.com/finance/what-is-cash-out-refinance...

    3% to 5%, including funding fees of 2.15% for first-time use, up to 3.3% for subsequent uses ... While many home equity loans require an appraisal to determine your home’s current value, if you ...

  6. Double-precision floating-point format - Wikipedia

    en.wikipedia.org/wiki/Double-precision_floating...

    00000000000 2 =000 16 is used to represent a signed zero (if F = 0) and subnormal numbers (if F ≠ 0); and; 11111111111 2 =7ff 16 is used to represent ∞ (if F = 0) and NaNs (if F ≠ 0), where F is the fractional part of the significand. All bit patterns are valid encoding. Except for the above exceptions, the entire double-precision number ...

  7. 1 + 2 + 3 + 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The partial sums of the series 1 + 2 + 3 + 4 + 5 + 6 + ⋯ are 1, 3, 6, 10, 15, etc.The nth partial sum is given by a simple formula: = = (+). This equation was known ...

  8. Note value - Wikipedia

    en.wikipedia.org/wiki/Note_value

    A note value may be augmented by adding a dot after it. This dot adds the next briefer note value, making it one and a half times its original duration. A number of dots ( n ) lengthen the note value by ⁠ 2 n − 1 / 2 n ⁠ its value, so two dots add two lower note values, making a total of one and three quarters times its original duration.

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