Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:58Z
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
168K
10t² + 5t + 5 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
371K
∇ × E = −∂B/∂t
\lim_{β\to 0} \frac{\sin β}{β} = 1
259K
det| 8 7 ; 1 9 | = 65
det| 9 4 ; 1 10 | = 86
224K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
234K
\frac{12}{9} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
354K
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
70K