How to Plot a Semi Log Graph in Excel To plot a semi-logarithmic graph (also known as a semi-log graph) in Excel, you'll need to have data that contains both logarithmic and linear scales. The semi-log graph is commonly used when one axis needs to be plotted on a logarithmic scale and the other axis on a linear scale. Follow these steps to create a semi-log graph in Excel: Step 1: Enter your data: - Enter your data into two columns. One column should contain the data points for the linear scale

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