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Updated: May 15, 2025
"What does a fellow have to pass an examination in in order to enter West Point?" "English grammar, English composition, algebra through quadratic equations, plane geometry, descriptive geography, physical geography, United States history and the outlines of general history."
The whole problem of summer mathematics reeks to heaven. It is not enough that a student during eight months of the year will put in all his time on invariants and the theory of numbers. Vacation time finds him at some fashionable resort, tutoring the sons of millionaires in multiplication and quadratic equations."
Many a man is bitterly disillusioned after marriage when he realises that his wife cannot solve a quadratic equation, and that he is compelled to spend all his days with a woman who does not know that X squared plus 2XY plus Y squared is the same thing, or, I think nearly the same thing, as X plus Y squared. "Nor should the simple domestic virtues be neglected.
Prefixed to the De Vita Propria. In a question of broken faith, Cardan laid himself open especially to attack by reason of his constant self-glorification in the matter of veracity. Leonardo knew that quadratic equations might have two positive roots, and Cardan pursued this farther by the discovery that they might also have negative roots.
Then there comes the interference of the schoolmaster, who has his favourite recipe of Latin verses, quadratic equations, and what not, to stuff into every head he can get hold of for a few terms.
The Pythagoreans gave general solutions in rational numbers of the equations x²+y²=z² and 2x²-y²=±1, which are indeterminate equations of the second degree. Diophantus shows that he solved quadratic equations by rule, like Heron. The collection is extraordinarily varied, and the devices resorted to are highly ingenious. He also wrote a book On Polygonal Numbers of which only a fragment survives.
In talking of Jean's accomplishments, I must not be understood to describe her as a learned pig; for she could neither play cards, solve quadratic equations, nor perform any of those feats which enchant and astonish the eyes of the citizens of London and elsewhere, where many dogs and hogs are devoutly believed to be vested with a degree of intelligence rather above than below the average range of human intellect.
On a raised terrace stand circular tables, semicircular and quadratic curves, all of stone, and all inscribed with mystic signs and characters.
"After all, knowledge is knowledge; and there is no more a specifically feminine way of describing correctly the origin of the Lollard movement, or the character of Spenser's poetry, than there is a specifically feminine way of solving a quadratic equation, or of proving the forty-seventh problem of Euclid's first book."
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