Numismatic Die Count and Axes Statistical Tools
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Carter, G. F., A Simplified Method for calculating the original number of dies from die link statistics. ANSMN 28 (1983), p. 195-206
W. Esty, How to estimate the original number of dies and the coverage of a sample. NC 166 (2006), pp. 359-364
W. Esty, The Geometric Model for Estimating the Number of Dies. in QUANTIFYING MONETARY SUPPLIES IN GRECO-ROMAN TIMES (2011), Edipuglia s.r.l., pp. 43-58

Forest, T. G., Circular Statistics

Note: Our free online die count and die axis analytical tool are Java Applets and since some browsers no longer support Java Applets or create obstacles to their use these may work for some visitors and not for others. They may not even be visible at all on some browsers. Assuring you have the latest Java plugin foryour browser and/or attending to your browser's security options may help if the applets are not working for you. The Die Count tool is now available as an Android App for most Android phones and tablets. It's easy to get in the Google Play Store for $9.99 which helps support this site.

Click here to go directly to the Google Play Store to get the DieCount app