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  2. Gradian - Wikipedia

    en.wikipedia.org/wiki/Gradian

    ⁠ π / 8 ⁠ or ⁠ 𝜏 / 16 ⁠ rad 22.5° 25 g ⁠ 1 / 12 ⁠ turn ⁠ π / 6 ⁠ or ⁠ 𝜏 / 12 ⁠ rad 30° ⁠33 + 1 / 3 ⁠ g ⁠ 1 / 10 ⁠ turn ⁠ π / 5 ⁠ or ⁠ 𝜏 / 10 ⁠ rad 36° 40 g ⁠ 1 / 8 ⁠ turn ⁠ π / 4 ⁠ or ⁠ 𝜏 / 8 ⁠ rad 45° 50 g ⁠ 1 / 2 π or 𝜏 ⁠ turn 1 rad approx. 57.3° approx. 63.7 g ⁠ 1 ...

  3. Orders of magnitude (power) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(power)

    7 × 10 6 W tech: mechanical power output of a Top Fuel dragster: 8 × 10 6 W tech: peak power output of the MHI Vestas V164, the world's largest offshore wind turbine 10 7: 1 × 10 7 W tech: highest ERP allowed for an UHF television station 1.03 × 10 7 W geo: electrical power output of Togo: 1.22 × 10 7 W tech: approx power available to a ...

  4. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Visualization of powers of two from 1 to 1024 (2 0 to 2 10) as base-2 Dienes blocks. A power of two is a number of the form 2 n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent. In the fast-growing hierarchy, 2 n is exactly equal to ().

  5. .22 Spitfire - Wikipedia

    en.wikipedia.org/wiki/.22_Spitfire

    It was originally named the MMJ 5.7mm [1] by its designer and is also known in the U.S. as the 5.7mm Johnson, the Johnson MMJ 5.7mm Spitfire, and the .22 Johnson, (or 5.7×33mm internationally). In 1963, Melvin M. Johnson developed a conversion of the M1 Carbine (by either relining or re-barreling the M1 Carbine ) to a .224 caliber bore, using ...

  6. Grunwald–Wang theorem - Wikipedia

    en.wikipedia.org/wiki/Grunwald–Wang_theorem

    It is clear that 16 is not a 2-adic 8th power, and hence not a rational 8th power, since the 2-adic valuation of 16 is 4 which is not divisible by 8. Generally, 16 is an 8th power in a field K if and only if the polynomial has a root in K. Write = (+) = (+) (+) (+ +). Thus, 16 is an 8th power in K if and only if 2, −2 or −1 is a square in K.

  7. Exact trigonometric values - Wikipedia

    en.wikipedia.org/wiki/Exact_trigonometric_values

    Similarly / = is a constructible angle because 12 is a power of two (4) times a Fermat prime (3). But π / 9 = 20 ∘ {\displaystyle \pi /9=20^{\circ }} is not a constructible angle, since 9 = 3 ⋅ 3 {\displaystyle 9=3\cdot 3} is not the product of distinct Fermat primes as it contains 3 as a factor twice, and neither is π / 7 ≈ 25.714 ∘ ...

  8. Zero to the power of zero - Wikipedia

    en.wikipedia.org/wiki/Zero_to_the_power_of_zero

    Zero to the power of zero, denoted as 0 0, is a mathematical expression that can take different values depending on the context. In certain areas of mathematics, such as combinatorics and algebra, 0 0 is conventionally defined as 1 because this assignment simplifies many formulas and ensures consistency in operations involving exponents.

  9. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    𝟔 𝟕 𝟖 𝟗 𝟘 𝟙 𝟚 𝟛 𝟜 𝟝 𝟞 𝟟 U+1D7Ex 𝟠 𝟡 𝟢 𝟣 𝟤 𝟥 𝟦 𝟧 𝟨 𝟩 𝟪 𝟫 𝟬 𝟭 𝟮 𝟯 U+1D7Fx 𝟰 𝟱 𝟲 𝟳 𝟴 𝟵 𝟶 𝟷 𝟸 𝟹 𝟺 𝟻 𝟼 𝟽 𝟾 𝟿 Notes 1. ^ As of Unicode version 16.0 2. ^ Grey areas indicate non-assigned code points