Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:34Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
278K
∂x/∂θ = 8x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
177K
3φ² + 4φ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
5ω² + 6ω + 0 = 0
∫₀^∞ e^(-ψ²) dψ = √π / 2
316K
∫₀^∞ e^(-θ²) dθ = √π / 2
∇²θ = 0