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Peer reviewedGood, Robert C., Jr. – Journal of Computers in Mathematics and Science Teaching, 1985
A pair of abacuses is used to illustrate addition, subtraction (by adding complements), multiplication, and division, with simplified examples given to illustrate the various features of each operation. Also indicates how this information can help students understand computer operations. (JN)
Descriptors: Arithmetic, Computer Science, Computer Science Education, Elementary Secondary Education
Direct linkBlest, David C.; Jamil, Tariq – International Journal of Mathematical Education in Science and Technology, 2003
Computer operations involving complex numbers, essential in such applications as Fourier transforms or image processing, are normally performed in a "divide-and-conquer" approach dealing separately with real and imaginary parts. A number of proposals have treated complex numbers as a single unit but all have foundered on the problem of the…
Descriptors: Arithmetic, Numbers, Computation, Computer Uses in Education
