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| Arcavi, Abraham | 1 |
| Baird, William E. | 1 |
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| Or-Bach, Rachel | 1 |
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Download full textAbramowitz, Milton, Ed.; Stegun, Irene A., Ed. – 1972
Numerical tables of mathematical functions are in continual demand by scientists and engineers for preliminary surveys of problems before programming for computing machines. This handbook was designed to provide scientific investigators with a comprehensive and self-contained summary of the mathematical functions that arise in physical and…
Descriptors: Engineering, Functions (Mathematics), Graphs, Mathematical Formulas
Peer reviewedEgghe, L. – Journal of Documentation, 1985
After discussion of the equivalency of the information laws of Bradford, Leimkuhler, Lotka, and Mandelbrot, aberrations from Leimkuhler's law (including "Groos droop" as encountered in practice) are studied. Other aberrations of Leimkuhler's law are explained, starting from generalization of verbal formulation of Bradford's Law. (18…
Descriptors: Equations (Mathematics), Functions (Mathematics), Graphs, Information Theory
Peer reviewedRousseau, Ronald – Journal of Documentation, 1987
Proposes a new definition of the nuclear zone of a Bradford or Leimkuhler curve. The mathematical rationale is outlined, and examples of the application of this technique to citation analysis are given. (15 references) (CLB)
Descriptors: Citation Analysis, Functions (Mathematics), Graphs, Logarithms
Jones, Douglas H. – 1982
This paper briefly demonstrates a few of the possibilities of a systematic application of robustness theory, concentrating on the estimation of ability when the true item response model does and does not fit the data. The definition of the maximum likelihood estimator (MLE) of ability is briefly reviewed. After introducing the notion of…
Descriptors: Estimation (Mathematics), Functions (Mathematics), Goodness of Fit, Graphs
Peer reviewedOr-Bach, Rachel; Arcavi, Abraham – Journal of Mathematical Behavior, 1992
Presents a model of the tutoring process that takes into account the evolving tutor/student relationship and the subject matter concerns that the tutor is helping the student master. Reports illustrative data from case studies from which the model is derived. (15 references) (MDH)
Descriptors: Analytic Geometry, Case Studies, Cognitive Processes, Elementary Secondary Education
Goldenberg, E. Paul; And Others – 1988
This report summarizes the work of a two-year project which focused primarily on the problems that students have with algebra in general, and graphs in particular. The first of two major sections in the document deals with the use of computer software to assist in the teaching of graphing. It concludes that thoughtful design and use of graphing…
Descriptors: Computer Assisted Instruction, Computer Uses in Education, Elementary School Mathematics, Elementary Secondary Education
Peer reviewedBaird, William E. – Journal of Computers in Mathematics and Science Teaching, 1988
Presents abstracts from the National Educational Computing Conference held in Dallas, Texas on June 15-17, 1988. Selected topics include: a physical science interactive videodisc project, impact of calculators and computers in secondary math, relationships between graphing and functions, effectiveness of computer use, training science teachers,…
Descriptors: Abstracts, Computer Uses in Education, Computers, Conferences
