diff --git a/doc/xschem_man/tutorial_xschem_slides03.html b/doc/xschem_man/tutorial_xschem_slides03.html
index 73f9d4d5..ea5b5e38 100644
--- a/doc/xschem_man/tutorial_xschem_slides03.html
+++ b/doc/xschem_man/tutorial_xschem_slides03.html
@@ -46,8 +46,9 @@ p{padding: 15px 30px 10px;}
Icarus Verilog, ModelSim,
GHDL. Generic interface to simulation engines added in 2019.
Bindings for Gtkwave, Gaw (Gwave improvement) for waveforms in 2019.
- Adding bindings to other simulators (free/proprietary) and viewers is extremely simple (edit simrc file)
-
+ Adding bindings to other simulators (free/proprietary) and viewers is extremely simple (edit simrc file).
+ In 2020 Join the Skywater Free and Open source Silicon Initiative (FOSSi), create symbol libraries
+ for the 130nm process node, get lot of user feedback.
diff --git a/doc/xschem_man/tutorial_xschem_slides04.html b/doc/xschem_man/tutorial_xschem_slides04.html
index 23a1a4ef..79114989 100644
--- a/doc/xschem_man/tutorial_xschem_slides04.html
+++ b/doc/xschem_man/tutorial_xschem_slides04.html
@@ -43,7 +43,7 @@ p{padding: 15px 30px 10px;}
XSCHEM IS NOT
- - A space-ship. Does not depend on too many libs.
+ - A space-ship. Depends on a very limited number of libraries.
- A Gtk or Qt project, with APIs changing constantly.
- Proprietary or using undocumented file formats.
- A layout tool.
diff --git a/doc/xschem_man/tutorial_xschem_slides083.html b/doc/xschem_man/tutorial_xschem_slides083.html
index a52487c2..c0b68567 100644
--- a/doc/xschem_man/tutorial_xschem_slides083.html
+++ b/doc/xschem_man/tutorial_xschem_slides083.html
@@ -22,6 +22,19 @@ p{padding: 15px 30px 10px;}
WAVE VIEWING
+ Spice simulation data can be viewed directly in Xschem.
+
+
+ - Overlayed and stacked analog / digital waveforms, cross-probing of nodes into graph
+ - Simple RPN notation for entering waveform expressions (average, power, derivative,...)
+ - Cursors for time / delay / amplitude measurements
+ - Graph configuration (zoom, waveforms, colors) is saved with the schematic
+
+ 
+
+ 
+
+
diff --git a/doc/xschem_man/tutorial_xschem_slides084.html b/doc/xschem_man/tutorial_xschem_slides084.html
index 3866f319..6bdbfa2c 100644
--- a/doc/xschem_man/tutorial_xschem_slides084.html
+++ b/doc/xschem_man/tutorial_xschem_slides084.html
@@ -22,6 +22,19 @@ p{padding: 15px 30px 10px;}
SKYWATER 130nm PDK INTEGRATION
+ Use Xschem for (Analog) chip design and interoperate with other open source EDA tools using the Skywater open source 130nm process PDK
+
+
+ - Develop symbols for primitive devices (MOS, capacitors, resistors, BJTs, ...).
+ - Primitive silicon devices take geometrical parameters and produce a valid simulation-ready spice (Ngspice, Xyce) netlist.
+ - Develop symbols for the digital standard cell library.
+
+ 
+
+ 
+
+
+
diff --git a/doc/xschem_man/tutorial_xschem_slides085.html b/doc/xschem_man/tutorial_xschem_slides085.html
index ace38220..8be69260 100644
--- a/doc/xschem_man/tutorial_xschem_slides085.html
+++ b/doc/xschem_man/tutorial_xschem_slides085.html
@@ -25,12 +25,13 @@ p{padding: 15px 30px 10px;}
- Contribute to a Free silicon EDA ecosystem.
- - Integration (Forward, Backward annotation) with backend tools (Klayout).
+ - Integration (Forward, Backward annotation) with backend tools (Klayout, ngspice, Xyce).
- Input filters for more schematic formats as done for GSCHEM / Lepton-Eda
(see right picture).
- - Native Windows port.
- - Schematic - Waveform Viewer cross-probing (with gaw, gawio socket?)
+ - Native Windows port improvements.
+ - Allow changing simulator (Ngspice / Xyce) with minimal / no schematic changes.
- Mixed mode simulation: Leverage Xyce / Icarus Verilog (XyceCInterface-VPI)?
+ - Documentation improvements considering problems / issues encountered by new users.
- Other improvements driven by users. Your feedback is Welcome!
diff --git a/doc/xschem_man/tutorial_xschem_slides10.html b/doc/xschem_man/tutorial_xschem_slides10.html
index 2cf55447..f751878f 100644
--- a/doc/xschem_man/tutorial_xschem_slides10.html
+++ b/doc/xschem_man/tutorial_xschem_slides10.html
@@ -26,8 +26,8 @@ p{padding: 15px 30px 10px;}