Englishfor English speakers
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
equation
Noun
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An equation is a mathematical statement in which both sides are of equal value.
Find mathx/math, in the equation mathx + 2y = 3y/math.
Using equation (2.1) from above, we can now solve for mathx/math.
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An equation is how everything works together to create a situation.
Money plays a big part in the political equation.
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The equation of mathx/math with mathy/math, is the act of thinking about them as the same or as belonging together.
The equation of women with maids and cooks must stop.