N

可用，与 .wl 参考有差异

Gives the numerical value of an expression

形式

N[expr]

N[expr, n]

验证过的示例N[1 / 7] → 0.14285714285714285 N[1 / 7, 50] → 0.14285714285714285714285714285714285714285714285714285714285714285714285714286`50.N[Gamma[3.3], 50] → 2.6834373819557715

在 Qurak 上运行搜索参考

用于

Fractal explorations - 2 步
Set the precision of a result - 3 步
Do calculations with units - 4 步
Fermi estimate: the energy in a gram of antimatter - 5 步
What are the chances: at least once, expected count, the tail - 5 步
Is this price fair: present value and the break-even rate - 5 步

主题

Algebraic Numbers - Algebraic Number Theory»
Display Of Numbers - Displaying Quantities
Elementary Functions - Hyperbolic Functions »
Manipulating Equations - General
Mathematical Constants - General
Mathematical Functions - Fractal-Related Functions »

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