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Description / explanation of experimental data by mathematical curve / equation is one of the vital tools of analysis of data. Recently, some studies have been made on mathematical representation of experimental data on a pair of variables. In this context, a number of formulas based on mathematical operation Like forward difference operation, backward difference operation, divided difference operation, backward divided difference operation, difference & ratio operation and backward difference & ratio operation for explaining the data on a pair of variables by suitable mathematical equation / curve.
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Biswajit Das (2020) studied this question.
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