Recent News
SNAP Version 2.5.7 Released
July, 17, 2017
AptPlot 6.7.3 Released
March 28, 2017
PyPost 1.2.3 Released
July 13, 2016

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.


Read detailed users' manuals, 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 2.5.7 - Released 7/17/2017

  • An issue has been resolved that could cause the right-click pop-up menu for model nodes to fail to open after closing a different model.
  • The connection drawing logic used by Job Stream components (steps, external files, etc.) was updated to clearly indicate the downstream direction of "data flow".

see older releases