Education and demonstration – Mathematics
Patent
1985-10-29
1986-12-30
Grieb, William H.
Education and demonstration
Mathematics
434208, G09B 1902
Patent
active
046326618
ABSTRACT:
Methods for structurally differentiating functional relationships between two ordered sets of numbers related as x and one or more functions of x. The methods employ constructing sets of structural elements into parallelograms and any remainder portions. The parallelograms are constructed with at least one side of each having the same lengths or number of units. The structural elements of the sets are also arranged so that any remainder portions of both sets are also equal. The difference in total number of parallelogrammic units is then computed and divided by the difference in the variable x to produce the derivative value sought.
REFERENCES:
patent: 3131488 (1964-05-01), Slater
patent: 3423849 (1969-01-01), Jordan et al.
patent: 3858332 (1975-01-01), Rasmussen
Grieb William H.
Mortensen Educational Products, Inc.
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