In mathematics, the prime-counting function is the function counting the number of prime numbers less than or equal to some real number x. It is denoted by (this does not refer to the number π).
Read more about Prime-counting Function: History, Table of π(x), x / Ln x, and Li(x), Algorithms For Evaluating π(x), Other Prime-counting Functions, Formulas For Prime-counting Functions, Inequalities, The Riemann Hypothesis
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“As a medium of exchange,... worrying regulates intimacy, and it is often an appropriate response to ordinary demands that begin to feel excessive. But from a modernized Freudian view, worrying—as a reflex response to demand—never puts the self or the objects of its interest into question, and that is precisely its function in psychic life. It domesticates self-doubt.”
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