Many children who do not have trouble learning how to read do have trouble understanding what they read. Yet surprisingly, comprehension instruction did not receive much attention from reading ...

An interesting class of problems in geometry concerns tiling or tessellation, in which a surface or three-dimensional space is covered using one or more geometric shapes with no overlaps or gaps in ...

SOME months since we noticed Prof. Petersen's “Theorie der algebraischen Gleichungen,” and now we desire to draw attention to two more works by the same writer. The former, in its Danish garb, ...