diff --git a/docs/source/pythonapi/examples/mgxs-part-iii.ipynb b/docs/source/pythonapi/examples/mgxs-part-iii.ipynb
index dcb496160..c3f19aa22 100644
--- a/docs/source/pythonapi/examples/mgxs-part-iii.ipynb
+++ b/docs/source/pythonapi/examples/mgxs-part-iii.ipynb
@@ -689,9 +689,8 @@
     "\n",
     "# Instantiate the Tally\n",
     "tally = openmc.Tally(name='mesh tally')\n",
-    "tally.add_filter(mesh_filter)\n",
-    "tally.add_score('fission')\n",
-    "tally.add_score('nu-fission')\n",
+    "tally.filters = [mesh_filter]\n",
+    "tally.scores = ['fission', 'nu-fission']\n",
     "\n",
     "# Add mesh and Tally to TalliesFile\n",
     "tallies_file.add_mesh(mesh)\n",
diff --git a/docs/source/pythonapi/examples/pandas-dataframes.ipynb b/docs/source/pythonapi/examples/pandas-dataframes.ipynb
index ac5d4e410..85f64ff6f 100644
--- a/docs/source/pythonapi/examples/pandas-dataframes.ipynb
+++ b/docs/source/pythonapi/examples/pandas-dataframes.ipynb
@@ -453,10 +453,8 @@
     "\n",
     "# Instantiate the Tally\n",
     "tally = openmc.Tally(name='mesh tally')\n",
-    "tally.add_filter(mesh_filter)\n",
-    "tally.add_filter(energy_filter)\n",
-    "tally.add_score('fission')\n",
-    "tally.add_score('nu-fission')\n",
+    "tally.filters = [mesh_filter, energy_filter]\n",
+    "tally.scores = ['fission', 'nu-fission']\n",
     "\n",
     "# Add mesh and Tally to TalliesFile\n",
     "tallies_file.add_mesh(mesh)\n",
@@ -483,10 +481,9 @@
     "\n",
     "# Instantiate the tally\n",
     "tally = openmc.Tally(name='cell tally')\n",
-    "tally.add_filter(cell_filter)\n",
-    "tally.add_score('scatter-y2')\n",
-    "tally.add_nuclide(u235)\n",
-    "tally.add_nuclide(u238)\n",
+    "tally.filters = [cell_filter]\n",
+    "tally.scores = ['scatter-y2']\n",
+    "tally.nuclides = [u235, u238]\n",
     "\n",
     "# Add mesh and tally to TalliesFile\n",
     "tallies_file.add_tally(tally)"
@@ -512,14 +509,13 @@
     "\n",
     "# Instantiate tally Trigger for kicks\n",
     "trigger = openmc.Trigger(trigger_type='std_dev', threshold=5e-5)\n",
-    "trigger.add_score('absorption')\n",
+    "trigger.scores = ['absorption']\n",
     "\n",
     "# Instantiate the Tally\n",
     "tally = openmc.Tally(name='distribcell tally')\n",
-    "tally.add_filter(distribcell_filter)\n",
-    "tally.add_score('absorption')\n",
-    "tally.add_score('scatter')\n",
-    "tally.add_trigger(trigger)\n",
+    "tally.filters = [distribcell_filter]\n",
+    "tally.scores = ['absorption', 'scatter']\n",
+    "tally.triggers = [trigger]\n",
     "\n",
     "# Add mesh and tally to TalliesFile\n",
     "tallies_file.add_tally(tally)"
diff --git a/docs/source/pythonapi/examples/post-processing.ipynb b/docs/source/pythonapi/examples/post-processing.ipynb
index 7fbca6864..6526f0307 100644
--- a/docs/source/pythonapi/examples/post-processing.ipynb
+++ b/docs/source/pythonapi/examples/post-processing.ipynb
@@ -408,9 +408,8 @@
     "\n",
     "# Create mesh tally to score flux and fission rate\n",
     "tally = openmc.Tally(name='flux')\n",
-    "tally.add_filter(mesh_filter)\n",
-    "tally.add_score('flux')\n",
-    "tally.add_score('fission')\n",
+    "tally.filters = [mesh_filter]\n",
+    "tally.scores = ['flux', 'fission']\n",
     "tallies_file.add_tally(tally)"
    ]
   },
diff --git a/docs/source/pythonapi/examples/tally-arithmetic.ipynb b/docs/source/pythonapi/examples/tally-arithmetic.ipynb
index 3a61b0979..d1325e487 100644
--- a/docs/source/pythonapi/examples/tally-arithmetic.ipynb
+++ b/docs/source/pythonapi/examples/tally-arithmetic.ipynb
@@ -418,29 +418,25 @@
     "\n",
     "# Instantiate flux Tally in moderator and fuel\n",
     "tally = openmc.Tally(name='flux')\n",
-    "tally.add_filter(openmc.Filter(type='cell', bins=[fuel_cell.id, moderator_cell.id]))\n",
-    "tally.add_filter(energy_filter)\n",
-    "tally.add_score('flux')\n",
+    "tally.filters = [openmc.Filter(type='cell', bins=[fuel_cell.id, moderator_cell.id]),\n",
+    "                 energy_filter]\n",
+    "tally.scores = ['flux']\n",
     "tallies_file.add_tally(tally)\n",
     "\n",
     "# Instantiate reaction rate Tally in fuel\n",
     "tally = openmc.Tally(name='fuel rxn rates')\n",
-    "tally.add_filter(openmc.Filter(type='cell', bins=[fuel_cell.id]))\n",
-    "tally.add_filter(energy_filter)\n",
-    "tally.add_score('nu-fission')\n",
-    "tally.add_score('scatter')\n",
-    "tally.add_nuclide(u238)\n",
-    "tally.add_nuclide(u235)\n",
+    "tally.filters = [openmc.Filter(type='cell', bins=[fuel_cell.id]),\n",
+    "                 energy_filter]\n",
+    "tally.scores = ['nu-fission', 'scatter']\n",
+    "tally.nuclides = [u238, u235]\n",
     "tallies_file.add_tally(tally)\n",
     "\n",
     "# Instantiate reaction rate Tally in moderator\n",
     "tally = openmc.Tally(name='moderator rxn rates')\n",
-    "tally.add_filter(openmc.Filter(type='cell', bins=[moderator_cell.id]))\n",
-    "tally.add_filter(energy_filter)\n",
-    "tally.add_score('absorption')\n",
-    "tally.add_score('total')\n",
-    "tally.add_nuclide(o16)\n",
-    "tally.add_nuclide(h1)\n",
+    "tally.filters = [openmc.Filter(type='cell', bins=[moderator_cell.id])]\n",
+    "tally.filters.append(energy_filter)\n",
+    "tally.scores = ['absorption', 'total']\n",
+    "tally.nuclides = [o16, h1]\n",
     "tallies_file.add_tally(tally)"
    ]
   },
@@ -455,8 +451,8 @@
     "# K-Eigenvalue (infinity) tallies\n",
     "fiss_rate = openmc.Tally(name='fiss. rate')\n",
     "abs_rate = openmc.Tally(name='abs. rate')\n",
-    "fiss_rate.add_score('nu-fission')\n",
-    "abs_rate.add_score('absorption')\n",
+    "fiss_rate.scores = ['nu-fission']\n",
+    "abs_rate.scores = ['absorption']\n",
     "tallies_file.add_tally(fiss_rate)\n",
     "tallies_file.add_tally(abs_rate)"
    ]
@@ -471,8 +467,8 @@
    "source": [
     "# Resonance Escape Probability tallies\n",
     "therm_abs_rate = openmc.Tally(name='therm. abs. rate')\n",
-    "therm_abs_rate.add_score('absorption')\n",
-    "therm_abs_rate.add_filter(openmc.Filter(type='energy', bins=[0., 0.625e-6]))\n",
+    "therm_abs_rate.scores = ['absorption']\n",
+    "therm_abs_rate.filters = [openmc.Filter(type='energy', bins=[0., 0.625e-6])]\n",
     "tallies_file.add_tally(therm_abs_rate)"
    ]
   },
@@ -486,9 +482,9 @@
    "source": [
     "# Thermal Flux Utilization tallies\n",
     "fuel_therm_abs_rate = openmc.Tally(name='fuel therm. abs. rate')\n",
-    "fuel_therm_abs_rate.add_score('absorption')\n",
-    "fuel_therm_abs_rate.add_filter(openmc.Filter(type='energy', bins=[0., 0.625e-6]))\n",
-    "fuel_therm_abs_rate.add_filter(openmc.Filter(type='cell', bins=[fuel_cell.id]))\n",
+    "fuel_therm_abs_rate.scores = ['absorption']\n",
+    "fuel_therm_abs_rate.filters = [openmc.Filter(type='energy', bins=[0., 0.625e-6]),\n",
+    "                               openmc.Filter(type='cell', bins=[fuel_cell.id])]\n",
     "tallies_file.add_tally(fuel_therm_abs_rate)"
    ]
   },
@@ -502,8 +498,8 @@
    "source": [
     "# Fast Fission Factor tallies\n",
     "therm_fiss_rate = openmc.Tally(name='therm. fiss. rate')\n",
-    "therm_fiss_rate.add_score('nu-fission')\n",
-    "therm_fiss_rate.add_filter(openmc.Filter(type='energy', bins=[0., 0.625e-6]))\n",
+    "therm_fiss_rate.scores = ['nu-fission']\n",
+    "therm_fiss_rate.filters = [openmc.Filter(type='energy', bins=[0., 0.625e-6])]\n",
     "tallies_file.add_tally(therm_fiss_rate)"
    ]
   },
@@ -520,12 +516,10 @@
     "\n",
     "# Instantiate flux Tally in moderator and fuel\n",
     "tally = openmc.Tally(name='need-to-slice')\n",
-    "tally.add_filter(openmc.Filter(type='cell', bins=[fuel_cell.id, moderator_cell.id]))\n",
-    "tally.add_filter(energy_filter)\n",
-    "tally.add_score('nu-fission')\n",
-    "tally.add_score('scatter')\n",
-    "tally.add_nuclide(h1)\n",
-    "tally.add_nuclide(u238)\n",
+    "tally.filters = [openmc.Filter(type='cell', bins=[fuel_cell.id, moderator_cell.id]),\n",
+    "                 energy_filter]\n",
+    "tally.scores = ['nu-fission', 'scatter']\n",
+    "tally.nuclides = [h1, u238]\n",
     "tallies_file.add_tally(tally)"
    ]
   },
@@ -533,7 +527,7 @@
    "cell_type": "code",
    "execution_count": 22,
    "metadata": {
-    "collapsed": true
+    "collapsed": false
    },
    "outputs": [],
    "source": [
@@ -576,9 +570,8 @@
       "      Copyright:      2011-2015 Massachusetts Institute of Technology\n",
       "      License:        http://mit-crpg.github.io/openmc/license.html\n",
       "      Version:        0.7.1\n",
-      "      Git SHA1:       34381b40a9445a727e360873aaa6ef892af1cb6a\n",
-      "      Date/Time:      2016-02-07 16:05:17\n",
-      "      MPI Processes:  1\n",
+      "      Git SHA1:       b9efc990c7eb58f4a41524d59ae73396c9929436\n",
+      "      Date/Time:      2016-02-23 10:52:44\n",
       "\n",
       " ===========================================================================\n",
       " ========================>     INITIALIZATION     <=========================\n",
@@ -634,20 +627,20 @@
       "\n",
       " =======================>     TIMING STATISTICS     <=======================\n",
       "\n",
-      " Total time for initialization     =  3.4700E-01 seconds\n",
-      "   Reading cross sections          =  9.1000E-02 seconds\n",
-      " Total time in simulation          =  7.3920E+00 seconds\n",
-      "   Time in transport only          =  7.3820E+00 seconds\n",
-      "   Time in inactive batches        =  1.0930E+00 seconds\n",
-      "   Time in active batches          =  6.2990E+00 seconds\n",
-      "   Time synchronizing fission bank =  2.0000E-03 seconds\n",
-      "     Sampling source sites         =  1.0000E-03 seconds\n",
-      "     SEND/RECV source sites        =  0.0000E+00 seconds\n",
+      " Total time for initialization     =  8.4700E-01 seconds\n",
+      "   Reading cross sections          =  5.8300E-01 seconds\n",
+      " Total time in simulation          =  1.6037E+01 seconds\n",
+      "   Time in transport only          =  1.6026E+01 seconds\n",
+      "   Time in inactive batches        =  2.3070E+00 seconds\n",
+      "   Time in active batches          =  1.3730E+01 seconds\n",
+      "   Time synchronizing fission bank =  5.0000E-03 seconds\n",
+      "     Sampling source sites         =  4.0000E-03 seconds\n",
+      "     SEND/RECV source sites        =  1.0000E-03 seconds\n",
       "   Time accumulating tallies       =  0.0000E+00 seconds\n",
-      " Total time for finalization       =  2.0000E-03 seconds\n",
-      " Total time elapsed                =  7.7510E+00 seconds\n",
-      " Calculation Rate (inactive)       =  11436.4 neutrons/second\n",
-      " Calculation Rate (active)         =  5953.33 neutrons/second\n",
+      " Total time for finalization       =  3.0000E-03 seconds\n",
+      " Total time elapsed                =  1.6899E+01 seconds\n",
+      " Calculation Rate (inactive)       =  5418.29 neutrons/second\n",
+      " Calculation Rate (active)         =  2731.25 neutrons/second\n",
       "\n",
       " ============================>     RESULTS     <============================\n",
       "\n",
@@ -759,10 +752,10 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> total</td>\n",
-       "      <td> (nu-fission / absorption)</td>\n",
-       "      <td> 1.040166</td>\n",
-       "      <td> 0.009069</td>\n",
+       "      <td>total</td>\n",
+       "      <td>(nu-fission / absorption)</td>\n",
+       "      <td>1.040166</td>\n",
+       "      <td>0.009069</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -821,12 +814,12 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 0</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> total</td>\n",
-       "      <td> absorption</td>\n",
-       "      <td> 0.694707</td>\n",
-       "      <td> 0.006699</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>total</td>\n",
+       "      <td>absorption</td>\n",
+       "      <td>0.694707</td>\n",
+       "      <td>0.006699</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -883,12 +876,12 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 0</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> total</td>\n",
-       "      <td> nu-fission</td>\n",
-       "      <td> 1.201216</td>\n",
-       "      <td> 0.012288</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>total</td>\n",
+       "      <td>nu-fission</td>\n",
+       "      <td>1.201216</td>\n",
+       "      <td>0.012288</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -947,13 +940,13 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 0</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 10000</td>\n",
-       "      <td> total</td>\n",
-       "      <td> absorption</td>\n",
-       "      <td> 0.74925</td>\n",
-       "      <td> 0.008257</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>total</td>\n",
+       "      <td>absorption</td>\n",
+       "      <td>0.74925</td>\n",
+       "      <td>0.008257</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1013,13 +1006,13 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 0</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 10000</td>\n",
-       "      <td> total</td>\n",
-       "      <td> (nu-fission / absorption)</td>\n",
-       "      <td> 1.663616</td>\n",
-       "      <td> 0.018624</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>total</td>\n",
+       "      <td>(nu-fission / absorption)</td>\n",
+       "      <td>1.663616</td>\n",
+       "      <td>0.018624</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1078,13 +1071,13 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 0</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 10000</td>\n",
-       "      <td> total</td>\n",
-       "      <td> (((absorption * nu-fission) * absorption) * (n...</td>\n",
-       "      <td> 1.040166</td>\n",
-       "      <td> 0.021928</td>\n",
+       "      <td>0</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>total</td>\n",
+       "      <td>(((absorption * nu-fission) * absorption) * (n...</td>\n",
+       "      <td>1.040166</td>\n",
+       "      <td>0.021928</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1160,83 +1153,83 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000000</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> (U-238 / total)</td>\n",
-       "      <td> (nu-fission / flux)</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 7.377419e-09</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>(U-238 / total)</td>\n",
+       "      <td>(nu-fission / flux)</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>7.377419e-09</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000000</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> (U-238 / total)</td>\n",
-       "      <td>    (scatter / flux)</td>\n",
-       "      <td> 0.209989</td>\n",
-       "      <td> 2.303838e-03</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>(U-238 / total)</td>\n",
+       "      <td>(scatter / flux)</td>\n",
+       "      <td>0.209989</td>\n",
+       "      <td>2.303838e-03</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000000</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> (U-235 / total)</td>\n",
-       "      <td> (nu-fission / flux)</td>\n",
-       "      <td> 0.356420</td>\n",
-       "      <td> 3.951669e-03</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>(U-235 / total)</td>\n",
+       "      <td>(nu-fission / flux)</td>\n",
+       "      <td>0.356420</td>\n",
+       "      <td>3.951669e-03</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000000</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> (U-235 / total)</td>\n",
-       "      <td>    (scatter / flux)</td>\n",
-       "      <td> 0.005555</td>\n",
-       "      <td> 6.101004e-05</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>(U-235 / total)</td>\n",
+       "      <td>(scatter / flux)</td>\n",
+       "      <td>0.005555</td>\n",
+       "      <td>6.101004e-05</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> (U-238 / total)</td>\n",
-       "      <td> (nu-fission / flux)</td>\n",
-       "      <td> 0.007155</td>\n",
-       "      <td> 8.053460e-05</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>(U-238 / total)</td>\n",
+       "      <td>(nu-fission / flux)</td>\n",
+       "      <td>0.007155</td>\n",
+       "      <td>8.053460e-05</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>5</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> (U-238 / total)</td>\n",
-       "      <td>    (scatter / flux)</td>\n",
-       "      <td> 0.227770</td>\n",
-       "      <td> 1.079289e-03</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>(U-238 / total)</td>\n",
+       "      <td>(scatter / flux)</td>\n",
+       "      <td>0.227770</td>\n",
+       "      <td>1.079289e-03</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>6</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> (U-235 / total)</td>\n",
-       "      <td> (nu-fission / flux)</td>\n",
-       "      <td> 0.008067</td>\n",
-       "      <td> 5.254797e-05</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>(U-235 / total)</td>\n",
+       "      <td>(nu-fission / flux)</td>\n",
+       "      <td>0.008067</td>\n",
+       "      <td>5.254797e-05</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>7</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> (U-235 / total)</td>\n",
-       "      <td>    (scatter / flux)</td>\n",
-       "      <td> 0.003367</td>\n",
-       "      <td> 1.647058e-05</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>(U-235 / total)</td>\n",
+       "      <td>(scatter / flux)</td>\n",
+       "      <td>0.003367</td>\n",
+       "      <td>1.647058e-05</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1395,43 +1388,43 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000000</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> U-238</td>\n",
-       "      <td> nu-fission</td>\n",
-       "      <td> 0.000002</td>\n",
-       "      <td> 1.283958e-08</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>U-238</td>\n",
+       "      <td>nu-fission</td>\n",
+       "      <td>0.000002</td>\n",
+       "      <td>1.283958e-08</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000000</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> U-235</td>\n",
-       "      <td> nu-fission</td>\n",
-       "      <td> 0.868553</td>\n",
-       "      <td> 6.880390e-03</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>U-235</td>\n",
+       "      <td>nu-fission</td>\n",
+       "      <td>0.868553</td>\n",
+       "      <td>6.880390e-03</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> U-238</td>\n",
-       "      <td> nu-fission</td>\n",
-       "      <td> 0.082149</td>\n",
-       "      <td> 8.837250e-04</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>U-238</td>\n",
+       "      <td>nu-fission</td>\n",
+       "      <td>0.082149</td>\n",
+       "      <td>8.837250e-04</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
-       "      <td> 10000</td>\n",
-       "      <td> 0.000001</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> U-235</td>\n",
-       "      <td> nu-fission</td>\n",
-       "      <td> 0.092618</td>\n",
-       "      <td> 5.195308e-04</td>\n",
+       "      <td>10000</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>U-235</td>\n",
+       "      <td>nu-fission</td>\n",
+       "      <td>0.092618</td>\n",
+       "      <td>5.195308e-04</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",
@@ -1489,93 +1482,93 @@
        "  <tbody>\n",
        "    <tr>\n",
        "      <th>0</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.000000e-08</td>\n",
-       "      <td>  0.000000</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 4.619398</td>\n",
-       "      <td> 0.040124</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.000000e-08</td>\n",
+       "      <td>0.000000</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>4.619398</td>\n",
+       "      <td>0.040124</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>1</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.080060e-07</td>\n",
-       "      <td>  0.000001</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 2.030757</td>\n",
-       "      <td> 0.011239</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.080060e-07</td>\n",
+       "      <td>0.000001</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>2.030757</td>\n",
+       "      <td>0.011239</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>2</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.166529e-06</td>\n",
-       "      <td>  0.000013</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 1.658488</td>\n",
-       "      <td> 0.009777</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.166529e-06</td>\n",
+       "      <td>0.000013</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>1.658488</td>\n",
+       "      <td>0.009777</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>3</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.259921e-05</td>\n",
-       "      <td>  0.000136</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 1.853002</td>\n",
-       "      <td> 0.007378</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.259921e-05</td>\n",
+       "      <td>0.000136</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>1.853002</td>\n",
+       "      <td>0.007378</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>4</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.360790e-04</td>\n",
-       "      <td>  0.001470</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 2.050773</td>\n",
-       "      <td> 0.012484</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.360790e-04</td>\n",
+       "      <td>0.001470</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>2.050773</td>\n",
+       "      <td>0.012484</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>5</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.469734e-03</td>\n",
-       "      <td>  0.015874</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 2.131759</td>\n",
-       "      <td> 0.007821</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.469734e-03</td>\n",
+       "      <td>0.015874</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>2.131759</td>\n",
+       "      <td>0.007821</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>6</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.587401e-02</td>\n",
-       "      <td>  0.171449</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 2.213710</td>\n",
-       "      <td> 0.015159</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.587401e-02</td>\n",
+       "      <td>0.171449</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>2.213710</td>\n",
+       "      <td>0.015159</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>7</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.714488e-01</td>\n",
-       "      <td>  1.851749</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 2.011925</td>\n",
-       "      <td> 0.009406</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.714488e-01</td>\n",
+       "      <td>1.851749</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>2.011925</td>\n",
+       "      <td>0.009406</td>\n",
        "    </tr>\n",
        "    <tr>\n",
        "      <th>8</th>\n",
-       "      <td> 10002</td>\n",
-       "      <td> 1.851749e+00</td>\n",
-       "      <td> 20.000000</td>\n",
-       "      <td> H-1</td>\n",
-       "      <td> scatter</td>\n",
-       "      <td> 0.371280</td>\n",
-       "      <td> 0.003949</td>\n",
+       "      <td>10002</td>\n",
+       "      <td>1.851749e+00</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>H-1</td>\n",
+       "      <td>scatter</td>\n",
+       "      <td>0.371280</td>\n",
+       "      <td>0.003949</td>\n",
        "    </tr>\n",
        "  </tbody>\n",
        "</table>\n",