NOVA nx-991 Scientific Graphing Calculator

NOVA

nx-991GX

ALGOGRAPH

Quick guide

Calculate natural display, S⇔D fractions/√/π, CALC, SOLVE, ∫, d/dx, Σ, Π
Graph Y1–Y3, = draw, arrows pan, +/− zoom, OPTN: trace, roots, min/max, intersect
Table f(x), g(x) over a range
Base-N DEC/HEX/BIN/OCT, and/or/xor via OPTN
Equation polynomials (deg 2–4), 2–3 unknowns
Statistics 1-variable & linear regression, plots
Algorithms animated sorts & searches with op counters
Big-O growth curves, cost at n, empirical fitting, Master theorem, classify T(n)

SHIFT+MENU opens SETUP (angle unit, Fix/Sci, contrast). State is saved in this browser.