ICS

system for communication within an aircraft (between the pilot and co-pilot or members of a helicopter team)

ICS is used as an abbreviation for: TechnologyIncident Capturing SystemImage Correlation SpectroscopyImage Cytometry Standard, a digital multidimensional image file format used in life sciences microscopyInformation and Computer Science, the combined field of informatics and computing.InterCitySlovenija, a high speed train in SloveniaInternational Classification for Standards, an international classification system for technical standardsInternet chess server, an external server that provides the facility to play, discuss, and view chess over the InternetInternet Connection Sharing, a feature in Microsoft operating systems since the advent of Windows 98 Second EditioniCalendar, the RFC 2445 standard for calendar data exchange
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.ics is a computer file extension used to designate a file containing (an arbitrary set of) calendaring and scheduling information consistent with iCalendar
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iCalendar is a standard (RFC 2445) for calendar data exchange. The standard is sometimes referred to as "iCal", which also is the name of the Apple, Inc. calendar program (see iCal) that provides one of the implementations of the standard.iCalendar allows users to send meeting requests and tasks to other users through email. Recipients of the iCalendar email (with supported software) can respond to the sender easily or counter propose another meeting date/time.It is implemented/supported by a large number of products, including 37signals Backpack, 30 Boxes, Apple's iCal application, Darwin Calendar Server, Contactizer and iPod. Buni Meldware Communication Suite, Chandler, Drupal with its event module, TYPO3 via its Calendar Base Extension, Citadel, Facebook, FirstClass, Google Calendar, Horde, Jalios JCMS, Joyent Connector, KOrganizer, Lotus Notes, Microsoft Entourage, Microsoft Exchange, Mozilla Calendar (including Mozilla Sunbird and Lightning), Mulberry, Novell Evolution, Novell GroupWise, Nuvvo, Simple Groupware, SOHO Organizer, Sun Java Calendar Server, Upcoming.org, Windows Calendar, Microsoft Works Calendar, Webical, Zimbra Collaboration Suite, and, in its latest version of the software, Microsoft Outlook (see below).  BlackBerry, Internet edition from v2.3 onwards now recognizes iCalendar and iCalendar invites can be sent and received with the Blackberry Server. Notably missing from this list is the Palm Desktop,  Palm (PDA), and Now-Up-To-Date.
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n. x, 24th letter of the alphabet

A suffix used in forming the names of certain sciences, systems, etc., as acoustics, mathematics, dynamics, statistics, politics, athletics.
  

A structural model is invariant under change of scale if model fit is not changed by rescaling the variables, i.e., by multiplying them by scale factors (see Structural Equation Modeling ).