binder checkin

woz5999 · woz5999 · commit 03703db0ee97 · 2026-05-09T14:27:05.000-07:00
diff --git a/binder/postBuild b/binder/postBuild
@@ -7,7 +7,7 @@ set -e
 # any byte invalidates the cache and forces a rebuild on next launch
 # (3-5 min). Without a bump, Binder serves the cached image and the
 # installed ppm package stays frozen at whatever was current at last build.
-# Last bump: 2026-05-09d
+# Last bump: 2026-05-09g
 
 # Binder runs vanilla JupyterLab. ipywidgets 8.x auto-registers as a
 # JupyterLab extension on install — no explicit enable needed.
diff --git a/binder/requirements.txt b/binder/requirements.txt
@@ -1,6 +1,5 @@
-numpy~=2.0
-scipy~=1.13
-matplotlib~=3.9
-pandas~=2.0
-ipywidgets~=8.0
-jupyterlab_widgets~=3.0
+numpy>=1.24
+scipy>=1.11
+matplotlib>=3.7
+pandas>=2.0
+ipywidgets>=8.0
diff --git a/notebooks/derivations.ipynb b/notebooks/derivations.ipynb
