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The abbreviation is not always a short form of the word used in the clue. For example: "Knight" for N (the symbol used in chess notation) Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE.
Answers to NYT's The Mini Crossword for Saturday, February 8, 2025 Don't go any further unless you want to know exactly what the correct words are in today's Mini Crossword. NYT Mini Across Answers
Calculus is the mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithmetic operations. Originally called infinitesimal calculus or "the calculus of infinitesimals", it has two major branches, differential calculus and integral calculus.
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
Is a subfield of calculus [30] concerned with the study of the rates at which quantities change. It is one of the two traditional divisions of calculus, the other being integral calculus, the study of the area beneath a curve. [31] differential equation Is a mathematical equation that relates some function with its derivatives. In applications ...
Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ ( minus-plus sign ) Used paired with ± , denotes the opposite sign; that is, + if ± is – , and – if ± is + .
Symbol Name Meaning SI unit of measure nabla dot : the divergence operator often pronounced "del dot" per meter (m −1) : nabla cross : the curl operator often pronounced "del cross"
The Latin phrase is attested in a 1501 Euclid translation of Giorgio Valla. [5] Its abbreviation q.e.d. is used once in 1598 by Johannes Praetorius , [ 6 ] more in 1643 by Anton Deusing , [ 7 ] extensively in 1655 by Isaac Barrow in the form Q.E.D. , [ 8 ] and subsequently by many post- Renaissance mathematicians and philosophers.