Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:57Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
∂x/∂θ = 8x
3φ² + 4φ + 2 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
5ω² + 6ω + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
316K
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 9 4 ; 1 10 | = 86
11K
∇²θ = 0