Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 20:53Z

\binom{n}{k} = \frac{n!}{k!(n-k)!}

∫₀^∞ e^(-r²) dr = √π / 2

46K

iħ ∂ψ/∂t = Ĥψ

468K

CaCO₃ → CaO + CO₂

∑_{k=1}^{n} k = n(n+1)/2

289K

d/dγ [γ^3] = 3γ^2

278K

e^{i\pi} + 1 = 0

F = G m₁m₂ / r²

339K

∑_{k=1}^{n} k = n(n+1)/2

177K

∂x/∂r = 4x

∑_{k=1}^{n} k = n(n+1)/2

358K

det| 5 2 ; 3 6 | = 24

121K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

12y² + 5y + 7 = 0

399K

∫₀^∞ e^(-ψ²) dψ = √π / 2

316K

det| 12 4 ; 4 13 | = 140

det| 9 4 ; 1 10 | = 86

11K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

387K

∑_{k=1}^{n} k = n(n+1)/2

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