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A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke...

In mathematics, the intersection of two or more objects is another object consisting of everything that is contained in all of the objects simultaneously...

In mathematics, value may refer to several, strongly related notions. In general, a mathematical value may be any definite mathematical object. In elementary...

In mathematics, an infinite periodic continued fraction is a continued fraction that can be placed in the form x = a 0 + 1 a 1 + 1 a 2 + 1 ⋱ a k + 1 a...

A balance puzzle or weighing puzzle is a logic puzzle about balancing items—often coins—to determine which holds a different value, by using balance scales...

A waterfall chart is a form of data visualization that helps in understanding the cumulative effect of sequentially introduced positive or negative values...

"Nova Methodus pro Maximis et Minimis" is the first published work on the subject of calculus. It was published by Gottfried Leibniz in the Acta Eruditorum...

Gipps' model is a mathematical model for describing car-following behaviour by motorists in the United Kingdom. The model is named after Peter G. Gipps...