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Recently it has been discovered that on a stone tablet over 3800 years old,the Plimpton-322 table, are carved the geometric relations that exist betweenthe sides of 15 right triangles chosen in a very special way. Due to itsproperty as a super accuracy calculation tool, in this work we have called itsPad by stone pad, and we have calculated its machine accuracy $\epsilon_m$.Additionally, we present the physical and astrophysical constants most used inscience and engineering in sexagesimal base.    Reci\'entemente se ha descubierto que en una tableta de piedra de m\'as de3800 a\~nos de antig\"uedad, la Tabla Plimpton 322, est\'an ta\-lla\-das lasrelaciones geom\'etricas que existen entre los lados de 15 tri\'angulosrect\'angulos escogidos de manera muy especial. Debido a su propiedad comoherramienta de c\'alculo s\'uper preciso, en este trabajo la hemos llamado sPadpor \emph{stone pad}, y hemos calculado su exactitud de m\'aquina$\epsilon_{m}$. Adicionalmente presentamos las constantes f\'isicas yastrof\'isicas m\'as usadas en ciencia e ingenier\'ia en base sexagesimal.

sPad of Super Accuracy and Geometry in Old Babylon. -- sPad de S\'uper Exactitud y Geometr\'ia en la Antigua Babilonia