Add Trend Line -- Options --Display Equation

Andy_N1708 wrote:
Graph the X & Y, click on the line in the graph and add a trend line.

if you have a data such as x and y
suppose x = current and y=volts
[quoted text clipped - 3 lines]
equation. i have done this many times but for last 4 years i did not do that
and i forgot have to get that equation. would pleae give me a hint. thank you

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