I have measurement data from an ATE system where the results are given as both a number and 'unit' letters for example 22.3 dB, 2.109 MHz, 12.06 V and 0.175 A. To calculate temperature drift from these readings, I need to subtract cells that contain both a number and a letter i.e.2.012 MHz - 2.005 MHz = 0.007 does not matter if the answer contains the 'units' or not. Anyone know how I can achieve this ?
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