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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Central Difference Formula in Numerical Analysis.
Peer reviewed Peer reviewed
de Alwis, Tilak – Primus, 1992
Describes numerical differentiation and the central difference formula in numerical analysis. Presents three computer programs that approximate the first derivative of a function utilizing the central difference formula. Analyzes conditions under which the approximation formula is exact. (MDH)
Descriptors: Calculus, College Mathematics, Estimation (Mathematics), Higher Education
The TI-85 Graphics Programmable Calculator in a Modern Calculus Curriculum.
Peer reviewed Peer reviewed
Lucas, John F. – Primus, 1993
This paper merges state-of-the-art calculator technology with examples drawn from the Harvard Consortium Calculus Curriculum. A brief rationale for selection of the Harvard project and the TI-85 is provided, and four different mathematical situations are examined using different capabilities of the TI-85. Two short TI-85 programs are given.…
Descriptors: Calculus, College Mathematics, Educational Technology, Equations (Mathematics)