A table is presented that directly converts any known point biserial coefficient to the biserial coefficient, providing the largest proportion of the dichotomous variable is also known. (Author)

Programs which compute values for the nth power of 2 where n is very large and for fractions, with a great deal more precision than is normally possible for a computer, are listed. (TG)

The author suggests that educators are not using enough nonprint materials or are not using them correctly. She lists inexpensive nonprint materials in the areas of reading, writing, and computation which are worth previewing. (KC)

Each of the hand-held calculator logic systems found on the market today is introduced, along with some of the advantages and disadvantages of each. The systems reviewed are: arithmetic logic, algebraic logic-no hierarchy, algebraic operating system, and reverse polish notation. (MP)