Using a 10-key calculator and keeping records manually makes calculation errors at times. The analytical options in Excel, are close to endless. Larger data sets can be examined in MS Excel. The sum of rows and columns is always accurate. The data can be saved for additional analysis and lastly, the resulting data set can be used for Pivot Tables, Charting, Vlookups, etc.
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Using a 10-key calculator and keeping records manually makes calculation errors at times. The analytical options in Excel, are close to endless. Larger data sets can be examined in MS Excel. The sum of rows and columns is always accurate. The data can be saved for additional analysis and lastly, the resulting data set can be used for Pivot Tables, Charting, Vlookups, etc.