Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:19Z
4y² + 8y + 1 = 0
\frac{6}{3} \sum_{i=1}^{n} i^{2}
468K
2H₂ + O₂ → 2H₂O
d/dt [t^12] = 12t^11
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
399K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
316K
det| 9 8 ; 1 10 | = 82
det| 9 8 ; 0 10 | = 90
11K
det| 4 4 ; 2 5 | = 12
387K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
346K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K
CH₄ + 2O₂ → CO₂ + 2H₂O
348K