Recent News
SNAP Version 2.6.8 Released
February 10, 2019
AptPlot 6.8.0 Updated
February 19, 2018
PyPost 1.3.3 Released
February 19, 2018

Symbolic Nuclear Analysis Package

The Symbolic Nuclear Analysis Package (SNAP) consists of a suite of integrated applications designed to simplify the process of performing engineering analysis. SNAP is built on the Common Application Framework for Engineering Analysis (CAFEAN) which provides a highly flexible framework for creating and editing input for engineering analysis codes as well as extensive functionality for submitting, monitoring, and interacting with the codes.

Download SNAP

Getting Started

A guide to downloading and installing SNAP and its prerequisite software.


Users' manuals, on-line instruction, tutorials, and other SNAP related materials.

SNAP Plug-ins

Find information about the various SNAP plug-ins available to users.

Technical Support

Technical support is available to CAMP members, NRC contractors and SNAP User's Group members.

Change Log

SNAP 2.6.8 - Released 2/10/2019

  • Generic Color Map have been updated to resolve an error which would prevent editing segment locations when editing a step based range.
  • The minimum and maximum valid values for generic color maps with the out-of-range values selected are now displayed using the custom engineering units defined in the generic range.
  • The custom engineering units dialog for generic color maps has been updated to support an additive conversion offset, and to revise the graphical layout of the dialog.

see older releases