Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:52Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
det| 7 4 ; 4 8 | = 40
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
iħ ∂ψ/∂t = Ĥψ
\lim_{t\to 0} \frac{\sin t}{t} = 1
358K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
121K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
399K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
316K
det| 9 8 ; 1 10 | = 82