Uncertainty converter for NCEA Phy 3-1

A Microsoft Excel Spreadsheet to check correct reprocessing of uncertainties for the Physics 3-1 investigation.

Intended as a checking aid for teachers when marking assignments where error and uncertainties have to be reprocessed for data transformed into squared, square root or inverse values.

Automatically converts absolute uncertainty values into percentage uncertainty and operates the transformations necessary, Should be self evident to those who undertake this assessment.