Index: src/sas/perspectives/calculator/media/data_operator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/data_operator_help.rst	(revision 0cdf1afe8ffa305a595911c44c8b9711aa598d7c)
+++ src/sas/perspectives/calculator/media/data_operator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -18,6 +18,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
-------
+Using the tool
+--------------
 
 1) Enure you have loaded data into the *Data Explorer* (see :ref:`Loading_data`).
@@ -53,3 +53,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 18Feb2015 
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/calculator/media/density_calculator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/density_calculator_help.rst	(revision cbae5a28a574a775b48e01a603df88b1d377d4e6)
+++ src/sas/perspectives/calculator/media/density_calculator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -16,6 +16,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
-------
+Using the tool
+--------------
 
 1) Select *Density/Volume Calculator* from the *Tool* menu on the SasView toolbar.
@@ -33,3 +33,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 18Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/calculator/media/image_viewer_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/image_viewer_help.rst	(revision 80c84b5eb61dc050de57076536dde2e3c3dbb58f)
+++ src/sas/perspectives/calculator/media/image_viewer_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -24,6 +24,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
-------
+Using the tool
+--------------
 
 1) Select *Image Viewer* from the *Tool* menu on the SasView toolbar.
@@ -53,3 +53,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 18Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/calculator/media/kiessig_calculator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/kiessig_calculator_help.rst	(revision 1e0148621b8ca0d763dc2c807c12503ef22a5173)
+++ src/sas/perspectives/calculator/media/kiessig_calculator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -21,6 +21,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
-------
+Using the tool
+--------------
 
 To get a rough thickness or particle size, simply type the fringe or peak 
@@ -29,4 +29,4 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 18Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
 
Index: src/sas/perspectives/calculator/media/resolution_calculator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/resolution_calculator_help.rst	(revision 850c75365c9fb699039ea0628989a481bb0bfff1)
+++ src/sas/perspectives/calculator/media/resolution_calculator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -8,6 +8,6 @@
 .. |Ang| unicode:: U+212B
 
-Q Resolution Estimator
-======================
+Q Resolution Estimator Tool
+===========================
 
 Description
@@ -20,6 +20,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
-------
+Using the tool
+--------------
 
 1) Select *SAS Resolution Estimator* from the *Tool* menu on the SasView toolbar.
@@ -105,3 +105,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 19Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/calculator/media/sas_calculator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/sas_calculator_help.rst	(revision 850c75365c9fb699039ea0628989a481bb0bfff1)
+++ src/sas/perspectives/calculator/media/sas_calculator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -14,21 +14,16 @@
 .. |noteql| unicode:: U+2260
 
-Generic Scattering Calculator Tool
-==================================
+Generic SANS Calculator Tool
+============================
 
-Nuclear_Scattering_
+Description
+-----------
 
-Magnetic_Scattering_Polarisation_
+This tool attempts to simulate the SANS expected from a specified
+shape/structure or scattering length density profile. The tool can
+handle both nuclear and magnetic contributions to the scattering.
 
-Using_the_SAS_Calculator_GUI_
-
-Using_PDB_Data_
-
-.. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
-
-.. _Nuclear_Scattering:
-
-Nuclear Scattering
-------------------
+Theory
+------
 
 In general, a particle with a volume *V* can be described by an ensemble 
@@ -64,8 +59,6 @@
 of the neutrons as follows.
 
-.. _Magnetic_Scattering_Polarisation:
-
-Magnetic Scattering & Polarisation
-----------------------------------
+Magnetic Scattering
+^^^^^^^^^^^^^^^^^^^
 
 For magnetic scattering, only the magnetization component, *M*\ :sub:`perp`\ , 
@@ -125,8 +118,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. _Using_the_SAS_Calculator_GUI:
-
-Using the SAS Calculator GUI
-----------------------------
+Using the tool
+--------------
 
 .. image:: gen_gui_help.bmp
@@ -152,10 +143,8 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. _Using_PDB_Data:
+Using PDB/OMF or SLD files
+--------------------------
 
-Using PDB Data
---------------
-
-The SAS Calculator tool can read some PDB, OMF or SLD files but ignores 
+The SANS Calculator tool can read some PDB, OMF or SLD files but ignores
 polarized/magnetic scattering when doing so, thus related parameters such as 
 *Up_frac_in*, etc, will be ignored.
@@ -175,3 +164,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 19Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/calculator/media/sld_calculator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/sld_calculator_help.rst	(revision 850c75365c9fb699039ea0628989a481bb0bfff1)
+++ src/sas/perspectives/calculator/media/sld_calculator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -12,17 +12,15 @@
 -----------
 
-The neutron scattering length density is defined as
+The neutron scattering length density (SLD) is defined as
 
   SLD = (b_c1 + b_c2 + ... + b_cn) / Vm
 
-where 
-
-b_ci is the bound coherent scattering length of ith of n atoms in a molecule 
+where b_ci is the bound coherent scattering length of ith of n atoms in a molecule
 with the molecular volume Vm
 
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How to Format the Compound Name
--------------------------------
+Specifying the Compound Name
+----------------------------
 
 To calculate scattering length densities enter the empirical formula of a 
@@ -57,4 +55,4 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 19Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
 
Index: src/sas/perspectives/calculator/media/slit_calculator_help.rst
===================================================================
--- src/sas/perspectives/calculator/media/slit_calculator_help.rst	(revision 8a22b5bbed26e6496886bbca2614423e87f7b354)
+++ src/sas/perspectives/calculator/media/slit_calculator_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -22,6 +22,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
--------
+Using the tool
+--------------
 
 1) Select *Slit Size Calculator* from the *Tool* menu on the SasView toolbar.
@@ -36,8 +36,8 @@
 
 *NOTE! The beam profile file does not carry any information about the units of 
-the Q data. This calculator assumes the data has units of 1/\ |Ang| . If the 
+the Q data. This calculator assumes the data has units of 1/\ |Ang|\ . If the
 data is not in these units it must be manually converted beforehand.*
 
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 19Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/invariant/media/invariant_help.rst
===================================================================
--- src/sas/perspectives/invariant/media/invariant_help.rst	(revision 0721c3d85f20ae9870555f28be91862c7bc82ce5)
+++ src/sas/perspectives/invariant/media/invariant_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -13,20 +13,6 @@
 =================================
 
-Scattering_Invariant_
-
-How_to_Use_
-
-Volume_Fraction_
-
-Specific_Surface_Area_
-
-Reference_
-
-.. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
-
-.. _Scattering_Invariant:
-
-Scattering (Porod) Invariant
-----------------------------
+Description
+-----------
 
 The scattering, or Porod, invariant (Q*\) is a model-independent quantity that 
@@ -65,8 +51,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. _How_to_Use:
-
-How to Use
-----------
+Using the perspective
+---------------------
 
 1) Select *Invariant* from the *Analysis* menu on the SasView toolbar.
@@ -104,8 +88,9 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. _Volume_Fraction:
+Parameters
+----------
 
 Volume Fraction
----------------
+^^^^^^^^^^^^^^^
 
 The volume fraction |phi| is related to Q*\  by
@@ -119,8 +104,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. _Specific_Surface_Area:
-
 Specific Surface Area
----------------------
+^^^^^^^^^^^^^^^^^^^^^
 
 The specific surface area *Sv* is related to Q*\  by
@@ -132,8 +115,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. _Reference:
-
-References
-----------
+Reference
+---------
 
 O. Glatter and O. Kratky
@@ -145,3 +126,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 19Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
Index: src/sas/perspectives/pr/media/pr_help.rst
===================================================================
--- src/sas/perspectives/pr/media/pr_help.rst	(revision 8a22b5bbed26e6496886bbca2614423e87f7b354)
+++ src/sas/perspectives/pr/media/pr_help.rst	(revision a9dc4eb3eeaa5f0ab6cf121ed6d38905eedf7896)
@@ -37,6 +37,6 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-How To
-------
+Using the perspective
+---------------------
 
 The user must enter
@@ -60,3 +60,3 @@
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 
-.. note::  This help document was last changed by Steve King, 19Feb2015
+.. note::  This help document was last changed by Steve King, 01May2015
