This classification is not official but created for pedagogical reasons.

The differences exist mostly to deal with differing special cases which may not be integrable under other definitions, but also occasionally for pedagogical reasons.

"How do you integrate children with limited English proficiency, who are being segregated linguistically because of sound pedagogical reasons, without jeopardizing the integrity of the program?"

The following C code implements a form of error-distribution dithering similar to Floyd-Steinberg dithering, but modified for pedagogical reasons.

The ancient Egyptians wrote epistles, most often for pedagogical reasons.

Many introductory statistics and econometrics books, for pedagogical reasons, present these tests under the assumption that the data set in hand comes from a normal distribution.

"There is no good philosophical or pedagogical reason to do it this way," Mr. Bennett said.

Sure, there are pedagogical reasons for his morning ritual.

However, for pedagogical reasons, the latter substitution is used for second order systems.

Bach and Schumann wrote volumes of such works, though they had personal as well as pedagogical reasons to do so: both were doting fathers.