Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:53Z
d/dn [n^4] = 4n^3
det| 7 4 ; 4 8 | = 40
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\frac{4}{6} \sum_{i=1}^{n} i^{2}
163K
∑_{k=1}^{n} k = n(n+1)/2
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iħ ∂ψ/∂t = Ĥψ
det| 12 9 ; 5 13 | = 111
305K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
57K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
293K
\lim_{α\to 0} \frac{\sin α}{α} = 1
110K
det| 5 7 ; 5 6 | = -5
det| 5 2 ; 3 6 | = 24
34K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
iħ ∂ψ/∂t = Ĥψ
2r² + 6r + 7 = 0