From Newsgroup: comp.lang.python.announce

Version 1.4 of the GF4 Graphics Calculator is now available on GitHub at

https://github.com/tbpassin/gf4-project/tree/1.4

This version contains the following changes, among others:

- Least Squares fits can be any polynomial power, not just linear;
- Improvements to normalization and horizontal axis for convolution,
correlation, and auto-correlation;
- An extended help system for more detailed explanations of commands
(only a few commands are available so far).
- Startup line colors can be set using an ini file;

A more complete list of recent changes is in the file recent_changes.md
on the GitHub site.
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