Dagra Screenshots
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Use Dagra to obtain numerical data from a picture of a graph. The main window is shown here. The closed loop voltage gain of an operational-amplifier is being traced. 
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Using Dagra Data in Microsoft Excel®
Data traced with Dagra can be used in Microsoft Excel. Here, the absorption temperature coefficient of water is calculated at 11 wavelengths using the add-in's DagraEval function and data loaded into the Water sheet.
Using Dagra Data in MathCad®
