I want use mathematical.
For indexes like the S&P 500 or the Russell 3000, look for figures from the data's vendors, like Standard & Poor. Because of the need to factor in dividends, splits (and other corporate actions), index reconstitutions and changing weights, calculating total return on an index can be a fairly involved process that often requires that the person calculating it exercise some judgment - so it is difficult to prescribe a set way to calculate them.
BSE Index or SENSEX: The BSE Index or the Sensex as it is popularly known, is the index of the performance of the 30 largest & most profitable, popular companies listed in the index. Each company that is part of the index has its own weightage in the value of the Index. Since the number of companies is lesser, the index variations are higher when compared to the Nifty index.
Index Relancing is the process by which the weights of the constinutents (stocks) within an portfolio (Index) is adjusted in event of change in the index composition.
The index divisor is used to adjust the index for corporate actions that would affect the index level but would not reflect changes in market conditions.
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How to calculate machine price index?
to calculate viscosity index
Bond's work index one of the most acceptable approach to calculate the grindability index.
how to calculate ftse 100
how can we calculate cpi(consumer price index) .
Severity Index= no. of fatal accidents / total no. of injury accidents
By calculator
Severity Index= no. of fatal accidents / total no. of injury accidents
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"A BMI scale is used to calculate BMI or Body Mass Index; additionally, a BMI chart, formula, or a standard BMI calculator may be used to calculate BMI or Body Mass Index as well."