equation

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Equation

equation is on the Academic Word List.

Noun

(countable) An equation is a mathematical statement in which both sides are of equal value.
Find $x$ , in the equation $x + 2 y = 3 y$ .

Using equation (2.1) from above, we can now solve for $x$ .
(countable); (usually singular) An equation is how everything works together to create a situation.
Money plays a big part in the political equation.
(uncountable) The equation of $x$ with $y$ , is the act of thinking about them as the same or as belonging together.
The equation of women with maids and cooks must stop.

Examples:

E = m c^{2}

E = h ν

a = \frac{L}{2} - b

\begin{matrix} \nabla \cdot 𝐃 = ρ_{f} \\ \nabla \cdot 𝐁 = 0 \\ \nabla \times 𝐄 = - \frac{\partial 𝐁}{\partial t} \\ \nabla \times 𝐇 = 𝐉_{f} + \frac{\partial 𝐃}{\partial t} \end{matrix}

\oint_{C} E \cdot d l = - \frac{d}{d t} \int_{S} B_{n} d A

14 \sqrt{x} + | 15 | = | 71 |

\frac{ℏ^{2}}{2 m} \nabla^{2} Ψ + V Ψ = i ℏ \frac{\partial Ψ}{\partial t}