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Calculate the number 2100

NUMBERMANIA: Calculate the number 2100 using numbers [9, 4, 9, 1, 39, 880] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 21

The first user who solved this task is Djordje Timotijevic.

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Irritated with everything

Irritated with everything: Have you ever been in one of those moods where you don't really know what's wrong but you feel irritated with everyone and everything?

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Eugen Bleuler

Died 15 Jul 1939 at age 82 (born 30 Apr 1857). Swiss psychiatrist who made notable contributions to the understanding of mental illness, and coined the term “schizophrenia” (1908) for the disorder previously named as dementia praecox by Emil Kraepelin. Bleuler realised the condition was neither a dementia, nor did it always occur in young people (praecox meaning early) and so gave the condition the name from the Greek for split (schizo) and mind (phrene). Contrary to the belief of the time, he held that schizophrenia was neither invariably incurable, nor would always progress to full dementia. He was one of the first psychiatrists to apply psychoanalytical methods in his research, and was an early proponent of the theories of Sigmund Freud.«

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