2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/217122We demonstrate the implementation of a quantum algorithm for estimating the number of matching items in a search operation using a two qubit nuclear magnetic resonance (NMR) quantum computer.4 pages LaTeX/RevTex including 4 figures (3 LaTeX, 1 PostScript). Submitted to Physical Review LettersQuantum PhysicsApproximate quantum counting on an NMR ensemble quantum computertext