Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:20Z
iħ ∂ψ/∂t = Ĥψ
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
446K
10t² + 5t + 5 = 0
∫₀^∞ e^(-r²) dr = √π / 2
144K
∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
det| 8 7 ; 1 9 | = 65
\binom{n}{k} = \frac{n!}{k!(n-k)!}
224K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
234K
\frac{12}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 9 4 ; 1 10 | = 86
354K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
70K