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Later most exercises involve at least two digits. A common exercise in elementary algebra calls for factorization of polynomials. Another exercise is completing the square in a quadratic polynomial. An artificially produced word problem is a genre of exercise intended to keep mathematics relevant. Stephen Leacock described this type: [1]
[1] Mathematics is essential in the natural sciences, engineering, medicine, finance, computer science, and the social sciences. Although mathematics is extensively used for modeling phenomena, the fundamental truths of mathematics are independent of any scientific experimentation.
The following is a handy reference for editors, listing various common spelling differences between national varieties of English. Please note: If you are not familiar with a spelling, please do some research before changing it – it may be your misunderstanding rather than a mistake, especially in the case of American and British English spelling differences.
miniature – miniture [1] [4] minuscule – miniscule [1] [4] mischievous – mischievious, mischevous, mischevious (The spelling "mischievious" and the corresponding pronunciation are still considered non-standard despite being current and existing since at least the 16th century.) [4] [12] misspell – mispell, misspel [1] [4]
In Canada, the -ize ending is more common, although the Ontario Public School Spelling Book [65] spelled most words in the -ize form, but allowed for duality with a page insert as late as the 1970s, noting that, although the -ize spelling was in fact the convention used in the OED, the choice to spell such words in the -ise form was a matter of ...
The spelling indicates the insertion of /ᵻ/ before the /z/ in the spelling - es , but does not indicate the devoiced /s/ distinctly from the unaffected /z/ in the spelling - s . The abstract representation of words as indicated by the orthography can be considered advantageous since it makes etymological relationships more apparent to English ...
Learning proper spelling by rote is a traditional element of elementary education, and divergence from standard spelling is often perceived as an indicator of low intelligence, illiteracy, or lower class standing. [4] Spelling tests are commonly used to assess a student's mastery of the words in the spelling lessons the student has received so ...
The Oxford spelling affects about 200 verbs, [6] and is favoured on etymological grounds, in that ‑ize corresponds more closely to the Greek root of most ‑ize verbs, -ίζω (‑ízō). [7] The suffix ‑ize has been in use in the UK since the 15th century, [5] and is the spelling variation used in North American English.