elementary algebra

Quadratic equations involves much more material than linear equations. Linear equations is to quadratic equations as a plane going forward on the runway is to the plane whose wheels have just left the ground. Another comparison is that linear equations is to quadratic equations as a river is to the ocean.
keywords: instruction, teaching, formulas, mathematics

lorem ipsum

The adage ‘It is only one step from the throne to the gutter.’ can be taken as an ordinary-language version of the theorem that a well-ordered set contains no infinite decreasing sequence.
keywords: Mathematics, analogy, bottom

lorem ipsum

‘jalapeno’ is missing from both Benson and Wells. (But is present in Vikivortaro, with a translation of ‘halapenjo’.)
keywords: errors and omissions, dictionary, dictionaries, Esperanto

lorem ipsum

(suggested new terminology)
A live wire is one who gives responses before the cues. A zombie is one who does not give responses to the cues.
keywords: life, social psychology