Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 08:07Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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3y² + 7y + 6 = 0
iħ ∂ψ/∂t = Ĥψ
det| 9 8 ; 3 10 | = 66
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10α² + 9α + 3 = 0
∑_{k=1}^{n} k = n(n+1)/2
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\oint_C \vec{F}\cdot d\vec{r} = 0
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\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
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\lim_{t\to 0} \frac{\sin t}{t} = 1
∑_{k=1}^{n} k = n(n+1)/2