Pascal's triangle

noun

Mathematics.

a triangular arrangement of the binomial coefficients of the expansion ( x + y ) n for positive integral values of n.

Pascal's triangle

noun

a triangle consisting of rows of numbers; the apex is 1 and each row starts and ends with 1, other numbers being obtained by adding together the two numbers on either side in the row above: used to calculate probabilities

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Word History and Origins

Origin of Pascal's triangle¹

Named after Pascal

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Word History and Origins

Origin of Pascal's triangle¹

C17: named after Blaise Pascal

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Example Sentences

Examples have not been reviewed.

Like so much of this collection, the pyramid goes back to Pascal’s triangle.

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Given his obsession with the binomial theorem, we based the code we created for him on Pascal’s triangle.

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We keep calling this pattern “Pascal’s triangle,” but who is that?

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Which meant that soon after publishing his 1653 book on the subject, “Pascal’s triangle” was born!

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And not only is it useful, if you look closely enough, you’ll also discover that Pascal’s triangle contains a bunch of amazing patterns—including, kind of strangely, the famous Fibonacci sequence.

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Pascal's theorem Pascal's wager

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