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diff --git a/_sources/notebooks/03/bim-perturbed.ipynb b/_sources/notebooks/03/bim-perturbed.ipynb
@@ -20,12 +20,8 @@
    "source": [
     "## Preamble: Install Pyomo and a solver\n",
     "\n",
-    "This cell selects and verifies a global SOLVER for the notebook.\n",
-    "\n",
-    "If run on Google Colab, the cell installs Pyomo and HiGHS, then sets SOLVER to \n",
-    "use the Highs solver via the appsi module. If run elsewhere, it assumes Pyomo and CBC\n",
-    "have been previously installed and sets SOLVER to use the CBC solver via the Pyomo \n",
-    "SolverFactory. It then verifies that SOLVER is available."
+    "The following cell sets and verifies a global SOLVER for the notebook. If run on Google Colab, the cell installs Pyomo and the HiGHS solver, while, if run elsewhere, it \n",
+    "assumes Pyomo and HiGHS have been previously installed. It then sets to use HiGHS as solver via the appsi module and a test is performed to verify that it is available. The solver interface is stored in a global object `SOLVER` for later use."
    ]
   },
   {
@@ -42,19 +38,17 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "\n",
+    " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
-    "\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('appsi_highs')\n",
-    "    \n",
-    "else:\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('cbc')\n",
-    "\n",
-    "assert SOLVER.available(), f\"Solver {SOLVER} is not available.\""
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
+    " \n",
+    "solver = 'appsi_highs'\n",
+    " \n",
+    "import pyomo.environ as pyo\n",
+    "SOLVER = pyo.SolverFactory(solver)\n",
+    " \n",
+    "assert SOLVER.available(), f\"Solver {solver} is not available.\""
    ]
   },
   {

diff --git a/_sources/notebooks/03/bim-production-revisited.ipynb b/_sources/notebooks/03/bim-production-revisited.ipynb
@@ -26,12 +26,8 @@
    "source": [
     "## Preamble: Install Pyomo and a solver\n",
     "\n",
-    "This cell selects and verifies a global SOLVER for the notebook.\n",
-    "\n",
-    "If run on Google Colab, the cell installs Pyomo and HiGHS, then sets SOLVER to \n",
-    "use the Highs solver via the appsi module. If run elsewhere, it assumes Pyomo and CBC\n",
-    "have been previously installed and sets SOLVER to use the CBC solver via the Pyomo \n",
-    "SolverFactory. It then verifies that SOLVER is available."
+    "The following cell sets and verifies a global SOLVER for the notebook. If run on Google Colab, the cell installs Pyomo and the HiGHS solver, while, if run elsewhere, it \n",
+    "assumes Pyomo and HiGHS have been previously installed. It then sets to use HiGHS as solver via the appsi module and a test is performed to verify that it is available. The solver interface is stored in a global object `SOLVER` for later use."
    ]
   },
   {
@@ -49,8 +45,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",

diff --git a/_sources/notebooks/03/cryptarithms.ipynb b/_sources/notebooks/03/cryptarithms.ipynb
@@ -26,12 +26,8 @@
    "source": [
     "## Preamble: Install Pyomo and a solver\n",
     "\n",
-    "This cell selects and verifies a global SOLVER for the notebook.\n",
-    "\n",
-    "If run on Google Colab, the cell installs Pyomo and HiGHS, then sets SOLVER to \n",
-    "use the Highs solver via the appsi module. If run elsewhere, it assumes Pyomo and CBC\n",
-    "have been previously installed and sets SOLVER to use the CBC solver via the Pyomo \n",
-    "SolverFactory. It then verifies that SOLVER is available."
+    "The following cell sets and verifies a global SOLVER for the notebook. If run on Google Colab, the cell installs Pyomo and the HiGHS solver, while, if run elsewhere, it \n",
+    "assumes Pyomo and HiGHS have been previously installed. It then sets to use HiGHS as solver via the appsi module and a test is performed to verify that it is available. The solver interface is stored in a global object `SOLVER` for later use."
    ]
   },
   {
@@ -47,19 +43,17 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "\n",
+    " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
-    "\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('appsi_highs')\n",
-    "    \n",
-    "else:\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('cbc')\n",
-    "\n",
-    "assert SOLVER.available(), f\"Solver {SOLVER} is not available.\""
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
+    " \n",
+    "solver = 'appsi_highs'\n",
+    " \n",
+    "import pyomo.environ as pyo\n",
+    "SOLVER = pyo.SolverFactory(solver)\n",
+    " \n",
+    "assert SOLVER.available(), f\"Solver {solver} is not available.\""
    ]
   },
   {

diff --git a/_sources/notebooks/03/facility-location.ipynb b/_sources/notebooks/03/facility-location.ipynb
diff --git a/_sources/notebooks/03/job-shop-scheduling.ipynb b/_sources/notebooks/03/job-shop-scheduling.ipynb
diff --git a/_sources/notebooks/03/machine-scheduling.ipynb b/_sources/notebooks/03/machine-scheduling.ipynb
@@ -46,19 +46,17 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "\n",
+    " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
-    "\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('appsi_highs')\n",
-    "    \n",
-    "else:\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('cbc')\n",
-    "\n",
-    "assert SOLVER.available(), f\"Solver {SOLVER} is not available.\""
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
+    " \n",
+    "solver = 'appsi_highs'\n",
+    " \n",
+    "import pyomo.environ as pyo\n",
+    "SOLVER = pyo.SolverFactory(solver)\n",
+    " \n",
+    "assert SOLVER.available(), f\"Solver {solver} is not available.\""
    ]
   },
   {

diff --git a/_sources/notebooks/03/maintenance-planning.ipynb b/_sources/notebooks/03/maintenance-planning.ipynb
@@ -58,19 +58,17 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "\n",
+    " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
-    "\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('appsi_highs')\n",
-    "    \n",
-    "else:\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('cbc')\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
+    " \n",
+    "solver = 'appsi_highs'\n",
     "\n",
-    "assert SOLVER.available(), f\"Solver {SOLVER} is not available.\""
+    "import pyomo.environ as pyo\n",
+    "SOLVER = pyo.SolverFactory(solver)\n",
+    " \n",
+    "assert SOLVER.available(), f\"Solver {solver} is not available.\""
    ]
   },
   {
@@ -82,7 +80,6 @@
     "import matplotlib.pyplot as plt\n",
     "import numpy as np\n",
     "import pandas as pd\n",
-    "import pyomo.environ as pyo\n",
     "import pyomo.gdp as gdp"
    ]
   },

diff --git a/_sources/notebooks/03/recharging-electric-vehicle.ipynb b/_sources/notebooks/03/recharging-electric-vehicle.ipynb
@@ -49,19 +49,17 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "\n",
+    " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
-    "\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('appsi_highs')\n",
-    "    \n",
-    "else:\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('cbc')\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
+    " \n",
+    "solver = 'appsi_highs'\n",
     "\n",
-    "assert SOLVER.available(), f\"Solver {SOLVER} is not available.\""
+    "import pyomo.environ as pyo\n",
+    "SOLVER = pyo.SolverFactory(solver)\n",
+    " \n",
+    "assert SOLVER.available(), f\"Solver {solver} is not available.\""
    ]
   },
   {

diff --git a/_sources/notebooks/03/shift-scheduling.ipynb b/_sources/notebooks/03/shift-scheduling.ipynb
@@ -50,11 +50,11 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
-    " \n",
+    "\n",
     "import pyomo.environ as pyo\n",
     "SOLVER = pyo.SolverFactory(solver)\n",
     " \n",

diff --git a/_sources/notebooks/03/simple-production-model-gdp.ipynb b/_sources/notebooks/03/simple-production-model-gdp.ipynb
@@ -41,11 +41,11 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
-    " \n",
+    "\n",
     "import pyomo.environ as pyo\n",
     "SOLVER = pyo.SolverFactory(solver)\n",
     " \n",

diff --git a/_sources/notebooks/03/strip-packing.ipynb b/_sources/notebooks/03/strip-packing.ipynb
@@ -60,19 +60,17 @@
    "outputs": [],
    "source": [
     "import sys\n",
-    "\n",
+    " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
-    "\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('appsi_highs')\n",
-    "    \n",
-    "else:\n",
-    "    from pyomo.environ import SolverFactory\n",
-    "    SOLVER = SolverFactory('cbc')\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
+    " \n",
+    "solver = 'appsi_highs'\n",
     "\n",
-    "assert SOLVER.available(), f\"Solver {SOLVER} is not available.\""
+    "import pyomo.environ as pyo\n",
+    "SOLVER = pyo.SolverFactory(solver)\n",
+    " \n",
+    "assert SOLVER.available(), f\"Solver {solver} is not available.\""
    ]
   },
   {

diff --git a/_sources/notebooks/04/cryptocurrency-arbitrage.ipynb b/_sources/notebooks/04/cryptocurrency-arbitrage.ipynb
@@ -62,8 +62,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",
@@ -96,7 +96,7 @@
     "\n",
     "[CCXT](https://github.com/ccxt/ccxt) is an open-source library for connecting to cryptocurrency exchanges. The CCXT library is not installed by default in Google Colab, so it must be installed with the following command.\n",
     "\n",
-    "    !pip install ccxt\n"
+    "    %pip install ccxt\n"
    ]
   },
   {
@@ -105,7 +105,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "!pip install ccxt"
+    "%pip install ccxt"
    ]
   },
   {

diff --git a/_sources/notebooks/04/dinner-seat-allocation.ipynb b/_sources/notebooks/04/dinner-seat-allocation.ipynb
@@ -55,8 +55,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",

diff --git a/_sources/notebooks/04/forex-arbitrage.ipynb b/_sources/notebooks/04/forex-arbitrage.ipynb
@@ -39,8 +39,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",

diff --git a/_sources/notebooks/04/gasoline-distribution.ipynb b/_sources/notebooks/04/gasoline-distribution.ipynb
@@ -51,8 +51,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",

diff --git a/_sources/notebooks/04/graph-coloring.ipynb b/_sources/notebooks/04/graph-coloring.ipynb
@@ -46,8 +46,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",

diff --git a/_sources/notebooks/04/mincost-flow.ipynb b/_sources/notebooks/04/mincost-flow.ipynb
@@ -46,8 +46,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     " \n",

diff --git a/_sources/notebooks/04/power-network.ipynb b/_sources/notebooks/04/power-network.ipynb
@@ -52,8 +52,8 @@
     "import sys\n",
     " \n",
     "if 'google.colab' in sys.modules:\n",
-    "    !pip install pyomo >/dev/null 2>/dev/null\n",
-    "    !pip install highspy >/dev/null 2>/dev/null\n",
+    "    %pip install pyomo >/dev/null 2>/dev/null\n",
+    "    %pip install highspy >/dev/null 2>/dev/null\n",
     " \n",
     "solver = 'appsi_highs'\n",
     "\n",