@ - at - standard deviation, for a sample - standard deviation, for a population - infinit AC/DC - alternating current/direct current ACO - Australia Calculator Operation ACOS - arc cosine ASIN - arc sine ATAN - arc tangent acme - make me ACT - merican College Test ANS - answer AM - amplitude modulation AM/PM - ant meridien/post meridien AFAIK - as far as I know AG - Alonzo Gariepy; inventor of an alternate set of Assembly mnemonics ALG - Algebraic Mode, in HP49G AP - Advanced Placement (test in the USA) AKA - as known as AUR - Advanced Users Reference manual ACT - American College Testing Program ASCII - American Standard Code for Information Exchange Batt - battery BBS - Board Bulletin System Bcc - blink courtesy copy Bit - binary digit Bint - Binary Integer Bios - basic input/output system Bps - bits per second Brb - I will be right back (c) - copyright Calc - calculator CAD - computer-aided design CAS - Computer Algebra Systems CAT Key - Catalog Key Cc - courtesy copy CD - ompact disk CGI - common getway interface CMPLX - complex C.O.D - cash on delivery COM - communication port .com - commercial domain Co. - company Comp.sys.hp48 - name of the main HP48 newsgroup CRC - Cyclic redundancy check CRT - cathode-rays tube CU - see you CU See me - see you, see me DB9 - data bus; 9 pins connector dd/mm/yy - day/month/year format D.C. - District of Columbia DC - direct current; direct conection DEF - Define DIL - Dual in line DIN - Deutsche Industrie Norm (German Industrial Norm) DIP - dual in line package (used for integrated circuits) DOS - Disk operating system DPI - dots per inch DS - double sided DVD - digital video disk DM - Deutch Marks (german marks) DNS - domain name system DNB- Do not Disturb (used in ICQ) DCE - data communications equipment DTMF - dual tone mean frequency Etc - et cetera; and so on Eprom - erasable programable ROM Email - electronic mail E.E. - Eletrical Engeneering e.g. - exempli gratia; for example Eng. - engineering, engeneer Engr - engineering EQW - Equation Writer Ex - example EXP - exponetial FCC - Federal Comunications Comission EQ LIB - Equation Library FAQ - Frequently Asking Questions FAX - fac-simile FM - fraction mark ,frequency Modulation FNT1 - font type 1 FNT2 - font type 2 FROM - Flash ROM FTP - file transfer protocol FYI - for your information FV - future value G - Stands for graphic GB - Gigabyte GCF - greatest common factors GCSVWR - Geocities SiliconValley Web Ring GD - Goodies Disk GUI - Graphic User Interface GNU - GNU's not Unix; proper name of a set of programs that run on UNIX GPL - Gnu Public License GMT - Greenwitch Mean Time HD - hard disk HP - Hewlett Packard Company HP48 - the HP48 G/GX or HP48S/SX calculator itself HP48-L - the Majordomo mail list for HP48 users HP48s - HP48 series S and G HPCC - HP Calculators Club HPCVBBS- HP Corvallis BBS HPGL - HP Graphics Language hpfb - HP48 for beginners! - home page HTML - Hypertext Markup Language HTTP - Hypertext transfer protocol HWG - HTML Writers Guild Hz - Hertz IMHO - in my humble opinion In - inches I/O - input/output IR - infrared IRC - internet relay chat IRAM - Internal RAM IROM - Internal ROM Info - information IC- integrated circuit i.e. - id est; that is IP - Internet Protocol ISO - International Organization for Standardization J - joule K - kilo; usually also means kilobytes, for short ex. 32k RAM Kb - kilobit(s) KB - kilobyte(s) KBD - keyboard KML - Keyboard Mapping Language L.A. - Los Angeles LAX - Los Angeles LCD - liquid christal display LIB - library LISP - list processing LN - natural logarithim Math - mathematics MB - Megabyte Min - minut; minimum MK - MetaKernel ML - machine language MTRW - Matrix Writer mm/dd/yy - month/day/year format MSIE - Microsoft Internet Explorer NMSQT - tional Merit Scholar Qualifying Test MF - Media Formated NCSA - National Center for Supercomputing Aplication NCTM - National Council of Teachers of Mathematics NOK - not OK N.SLV - Numeric Solve NXT - Next OK - all right O. Pream. - Ordinis Premonstratensium PC - Personal Computer PCT - program comprehension tool PDA - Personal Digital Assistant PDL - program development tool piLIST - means LIST PIM - Personal information manager PM - private message (in a chat) PREV - Previous PSAT- Pre-SAT (see also SAT) PS - Post Scriptum; after writen PSDEV - population standard deviation Psi - pounds per square inches PST - Pacific Standard Time PV - principal value RAM - Random Access Memory RCL - Racall RE - Replay; used in front of a replayed mail subject REV - revision; ex.: revision J REV. - reverend RLL - run lenght limited ROM - Read Only Memory RPL - Reverse Polish Lisp Rpm - rotations per minut RPN - Reverse polish Notation SAT - Student Aptitude Test SDEV - sample standard deviation SigmaDAT - means DAT SMTP - Simple Mail Transfer Protocol SRPL - system RPL S.SLV - Symbolic Solve Sys - system 24h - 24 hours format 2D - two dimensions 3D - three dimensions 2HD - double HD TCP/IP - Transmission Control Protocol/Internet Protocol TDS - Tripod Data System T/f - true/false TI - Texas Instruments TM - trade mark TTYL- talk to you later UFL - universal font library URL - Uniform Resource Locator USA- United States of America USD - united states dollar URPL - user RPL UTC - Universal Time Coordinate (or Universal Coordinated Time) UVIC - University of Victoria (Canada) V - volt VDD - virtual display device v.g. - verbi gratia; for example WWW - world wide web W3C - world wide web consortium WYSIWYG - what you see is what you get X - stands for expandable Y2K - year 2000 Zip file - compressed ZIP file
Time and Date Abbreviations:
CDT - Central Daylight Time CST - Central Standard Time DST - Daylight Saving Time EDT - Eastern Daylight Time EST - Eastern Standard Time GMT - Greenwich Mean Time MDT - Mountain Daylight Time MST - Mountain Standard Time PDT - Pacific Daylight Time PST - Pacific Standard Time UTC - Universal Time Coordinate