| ABOUT | displays lists and information on tasks, verbs, adverbs |
| ABS | returns absolute value of argument |
| ACOS | Returns arc cosine of argument (half-circle) |
| ACTNOISE | puts estimate of actual image uncertainty and zero in header |
| ADDBEAM | Inserts clean beam parameters in image header |
| ADDDISK | makes a computer’s disks available to the current AIPS session |
| ALLDEST | Delete a group or all of a users data files |
| ALTDEF | Sets frequency vs velocity relationship into image header |
| ALTSWTCH | Switches between frequency and velocity in image header |
| APROPOS | displays all help 1-line summaries containing specified words |
| ASIN | Returns arc sine of argument (half-circle) |
| ATAN | Returns arc tangent of argument (half-circle) |
| ATAN2 | Returns arc tangent of two arguments (full circle) |
| AVEOT | Advances tape to end-of-information point |
| AVFILE | Moves tape forward or back to end-of-file marks |
| AVMAP | Advance tape by one image (IBM-CV = obsolete tape file) |
| AXDEFINE | Define or modify an image axis description |
| BAMODIFY | edits characters in a line of a batch work file |
| BATCH | starts entry of commands into batch-job work file |
| BATCLEAR | removes all text from a batch work file |
| BATEDIT | starts an edit (replace, insert) session on a batch work file |
| BATLIST | lists the contents of a batch work file |
| BDF2AIPS | Read EVLA ASDM/BDF data into AIPS |
| BDFLIST | List contents of EVLA ASD data file |
| BY | gives increment to use in FOR loops in POPS language |
| CALDIR | lists calibrator source models available as AIPS FITS files |
| CAT2LOG | list one or more entries in the user’s data directory: #2 file name |
| CAT3LOG | list one or more entries in the user’s data directory: #3 file name |
| CAT4LOG | list one or more entries in the user’s data directory: #4 file name |
| CAT5LOG | list one or more entries in the user’s data directory: #5 file name |
| CATALOG | list one or more entries in the user’s data directory |
| CATOLOG | list one or more entries in the user’s data directory: out file name |
| CEIL | returns smallest integer greater than or equal the argument |
| CELGAL | switches header between celestial and galactic coordinates |
| CHAR | converts number to character string |
| CHARMULT | Changes the multiplication factor for TV characters |
| CHKNAME | Checks for existence of the specified image name |
| CLR2NAME | clears adverbs specifying the second input image |
| CLR3NAME | clears adverbs specifying the third input image |
| CLR4NAME | clears adverbs specifying the fourth input image |
| CLR5NAME | clears adverbs specifying the fifth input image |
| CLRMSG | deletes messages from the user’s message file |
| CLRNAME | clears adverbs specifying the first input image |
| CLRONAME | clears adverbs specifying the first output image |
| CLRSTAT | remove any read or write status flags on a directory entry |
| CLRTEMP | clears the temporary literal area during a procedure |
| CODECIML | Convert between decimal and sexagesimal coordinate values |
| COODEFIN | Define or modify an image axis coordinate description |
| COPIXEL | Convert between physical and pixel coordinate values |
| COS | returns cosine of the argument in degrees |
| COSTAR | Verb to plot a symbol at given position on top of a TV image |
| COWINDOW | Set a window based on coordinates |
| CPUTIME | displays curren tcpu and real time usage of the AIPS task |
| CURBLINK | switch TV cursor between steady and blinking displays |
| CURVALUE | displays image intensities selected via the TV cursor |
| DAYNUMBR | finds day nuumber of an image or uv data set |
| DEFAULT | Verb-like sets adverbs for a task or verb to initial values |
| DELAY | Verb to pause AIPS for DETIME seconds |
| DELBOX | Verb to delete boxes with TV cursor & graphics display. |
| DFILEBOX | Verb to delete Clean boxes with TV cursor & write to file |
| DISMOUNT | disables a magnetic tape and dismounts it from the tape drive |
| DOCC | Adverb to control application to Clean component files |
| DOWNCASE | Convert a string to all lower case letters |
| DRAWBOX | Verb to draw Clean boxes on the display |
| DUMP | displays portions of the POPS symbol table in all formats |
| EGETHEAD | returns parameter value from image header and error code |
| EGETNAME | fills in input name adverbs by catalog slot number, w error |
| EHEX | converts decimal to extended hex |
| END | marks end of block (FOR, WHILE, IF) of POPS code |
| EPOCONV | Convert between J2000 and B1950 coordinates |
| EPOSWTCH | Switches between B1950 and J2000 coordinates in header |
| EVLA | puts the list of eVLA antennas in the current file on stack |
| EXIT | ends an AIPS batch or interactive session |
| EXP | returns the exponential of the argument |
| EXPLAIN | displays help + extended information describing a task/symbol |
| EXTDEST | deletes one or more extension files |
| EXTLIST | lists detailed information about contents of extension files |
| FILEBOX | Verb to reset Clean boxes with TV cursor & write to file |
| FILEZAP | Delete an external file |
| FLOOR | returns largest integer ¡= argument |
| FOR | starts an iterative sequence of operations in POPS language |
| FREESPAC | displays available disk space for AIPS in local system |
| GAMMASET | changes the gamma-correction exponent used in the TV OFM |
| GET2NAME | fills 2nd input image name parameters by catalog slot number |
| GET3NAME | fills 3rd input image name parameters by catalog slot number |
| GET4NAME | fills 4th input image name parameters by catalog slot number |
| GET5NAME | fills 5th input image name parameters by catalog slot number |
| GETDATE | Convert the current date and time to a string |
| GETHEAD | returns parameter value from image header |
| GETITIME | Verb to return the UV data integration time. |
| GETNAME | fills 1st input image name parameters by catalog slot number |
| GETONAME | fills 1st output image name parameters by catalog slot number |
| GETPOPSN | Verb to return the pops number on the stack |
| GETTHEAD | Returns keyword values from a table header, also column #, # rows |
| GETVERS | finds maximum version number of an extension file |
| GO | starts a task, detaching it from AIPS or AIPSB |
| GRBLINK | Verb which blinks 2 TV graphics planes |
| GRCLEAR | clears the contents of the specified TV graphics channels |
| GRDROP | deletes the specified gripe entry |
| GREAD | reads the colors of the specified TV graphics channel |
| GRINDEX | lists users and time of all gripe entries |
| GRIPE | enter a suggestion or bug report for the AIPS programmers |
| GRLIST | lists contents of specified gripe entry |
| GROFF | turns off specified TV graphics channelS |
| GRON | turns on specified TV graphics channelS |
| GWRITE | Sets the colors of the specified TV graphics channel |
| HELP | displays information on tasks, verbs, adverbs |
| HINOTE | adds user-generated lines to the history extension file |
| HITEXT | writes lines from history extension file to text file |
| HSA | puts the list of HSA antennas in the current file on stack |
| HUEWEDGE | Show a wedge on the TV suitable for TVHUEINT displays |
| IM2HEAD | displays the image 2 header contents to terminal, message file |
| IM2TV | Verb to convert pixel coordinates to TV pixels |
| IM3HEAD | displays the image 3 header contents to terminal, message file |
| IM4HEAD | displays the image 4 header contents to terminal, message file |
| IM5HEAD | displays the image 5 header contents to terminal, message file |
| IMCENTER | returns pixel position of sub-image centroid |
| IMDIST | determines spherical distance between two pixels |
| IMERASE | replaces an image portion of the TV screen with zeros |
| IMHEADER | displays the image header contents to terminal, message file |
| IMOHEAD | displays the output image header contents |
| IMPOS | displays celestial coordinates selected by the TV cursor |
| IMSTAT | Returns statistics of a sub-image |
| IMVAL | returns image intensity and coordinate at specified pixel |
| IMWEDGE | load step wedge of full range of image values to TV |
| IMXY | returns pixel coordinates selected by the TV cursor |
| INP | displays adverb values for task, verb, or proc - quick form |
| INPUTS | displays adverb values for task, verb, or proc - to msg file |
| JOBLIST | lists contents of a submitted and pending batch job |
| KLEENEX | ends an AIPS interactive session wiping the slate klean |
| LENGTH | returns length of string to last non-blank character |
| LN | returns the natural logarithm of the argument |
| LOG | returns the base-10 logarithm of the argument |
| M2CAT | displays images in the user’s catalog directory for IN2DISK |
| M3CAT | displays images in the user’s catalog directory for IN3DISK |
| M4CAT | displays images in the user’s catalog directory for IN4DISK |
| M5CAT | displays images in the user’s catalog directory for IN5DISK |
| MAX | returns the maximum of its two arguments |
| MAXFIT | returns pixel position and image intensity at a maximum |
| MCAT | lists images in the user’s catalog directory on disk INDISK |
| MFITSET | gets adverbs for running IMFIT and JMFIT |
| MIN | returns the minimum of its two arguments |
| MOCAT | displays images in the user’s catalog directory for OUTDISK |
| MOD | returns remainder after division of 1st argument by 2nd |
| MODULUS | returns square root of sum of squares of its two arguments |
| MOUNT | makes a tape drive available to user’s AIPS and tasks |
| NAMEGET | fills 1st input image name parameters by default matching |
| OBITIMAG | Access to OBIT task Imager without self-cal or peeling |
| OBITMAP | Simplified access to OBIT task Imager |
| OBITPEEL | Access to OBIT task Imager with self-cal and peeling |
| OBITSCAL | Access to OBIT task Imager with self-cal, NOT peeling |
| OFFPSEUD | Verb which deactivates all pseudo-color displays |
| OFFSCROL | Verb which deactivates scroll of an image |
| OFFTRAN | Verb which restores transfer function to normal |
| OFFZOOM | Verb which returns the hardware IIS zoom to normal |
| OFMADJUS | interactive linear adjustment of current TV OFM lookup tables |
| OFMCOLOR | Verb to access many OFMs to enhance TV pseudo-color displays |
| OFMCONT | creates/modifies TV color OFMs with level or wedged contours |
| OFMDIR | lists names of the user’s and system’s OFM files from OFMFIL |
| OFMGET | loads TV OFMS from a system or user OFM save file |
| OFMLIST | lists the current TV OFM table(s) on the terminal or printer |
| OFMSAVE | saves the TV’s current OFM lookup table in a text file |
| OFMSTRCH | interactive modification of current TV OFM lookup tables |
| OFMTWEAK | interactive modification of current TV OFM lookup tables |
| OFMZAP | deletes an OFM lookup table save file |
| OUTPUTS | displays adverb values returned from task, verb, or proc |
| PARALLEL | Verb to set or show degree of parallelism |
| PASSWORD | Verb to change the current password for the login user |
| PCAT | Verb to list entries in the user’s catalog (no log file). |
| PLGET | gets the adverbs used to make a particular plot file |
| Print the value of an expression | |
| PRINTER | Verb to set or show the printer(s) used |
| PROC | Define a POPS procedure using procedure editor. |
| PROCEDUR | Define a POPS procedure using procedure editor |
| PRTHI | prints selected contents of the history extension file |
| PRTMSG | prints selected contents of the user’s message file |
| PSEUDOVB | Declares a name to be a symbol of type pseudoverb |
| PUTHEAD | Verb to modify image header parameters. |
| PUTTHEAD | inserts a given value into a table keyword/value pair |
| PUTVALUE | Verb to store a pixel value at specified position |
| Q2HEADER | Verb to summarize the image 2 header: positions at center |
| Q3HEADER | Verb to summarize the image 3 header: positions at center |
| Q4HEADER | Verb to summarize the image 4 header: positions at center |
| Q5HEADER | Verb to summarize the image 5 header: positions at center |
| QGETVERS | finds maximum version number of an extension file quietly |
| QHEADER | Verb to summarize the image header: positions at center |
| QIMVAL | returns image intensity and coordinate at specified pixel |
| QINP | displays adverb values for task, verb, or proc - restart form |
| QOHEADER | Verb to summarize the output image header: center positions |
| QUEUES | Verb to list all submitted jobs in the job queue |
| RANDOM | Compute a random number from 0 to 1 |
| READ | Read a value from the users terminal |
| REBOX | Verb to reset boxes with TV cursor & graphics display. |
| RECAT | Verb to compress the entries in a catalog file |
| REHEX | converts extended hex string to decimal |
| REMDISK | removes a computer’s disks from the current AIPS session |
| REMOVIE | Verb to rerun a previously loaded (TVMOVIE) movie |
| RENAME | Rename a file (UV or Image) |
| RENUMBER | Verb to change the catalog number of an image. |
| REROAM | Verb to use previous roam image mode, then does roam |
| RESCALE | Verb to modify image scale factor and offset |
| RESTART | Verb to trim the message log file and restart AIPS |
| RESTORE | Read POPS memory file from a common area. |
| RETURN | Exit a procedure allowing a higher level proc to continue. |
| REVERSN | checks disk for presence of extension files |
| REWIND | Verb to rewind a tape |
| ROAM | Roam around an image too large for the display. |
| ROAMOFF | Verb to recover image from roam display in simple display mode |
| RUN | Pseudoverb to read an external RUN files into AIPS. |
| SAVDEST | Verb to destroy all save files of a user. |
| SAVE | Pseudoverb to save full POPS environment in named file |
| SCALAR | Declares a variable to be a scalar in a procedure |
| SCAT | lists scratch files in the user’s catalog directory on all disks |
| SCRATCH | delete a procedure from the symbol table. |
| SCRDEST | Verb to destroy scratch files left by bombed tasks. |
| SETDEBUG | Verb to set the debug print and execution level |
| SETMAXAP | Examines/alters system parameter limiting dynamic pseudo-AP |
| SETSLICE | Set slice endpoints on the TV interactively |
| SG2RUN | Verb copies the K area to a text file suitable for RUN |
| SGDESTR | Verb-like to destroy named POPS environment save file |
| SGINDEX | Verb lists SAVE areas by name and time of last SAVE. |
| SGUGET | Gets another user’s SAVE/GET file. |
| SGUINDEX | Verb lists SAVE areas by name and time of last SAVE another user |
| SHOW | Verblike to display the TELL adverbs of a task. |
| SIN | Compute the sine of a value |
| SIZEFILE | return file size plus estimate of IMAGR work file size |
| SPY | Verb to determine the execution status of all AIPS tasks |
| SQRT | Square root function |
| STALIN | revises history by deleting lines from history extension file |
| STARTTV | Restarts XAS (TV), MS, TK servers that have disappered |
| STQUEUE | Verb to list pending TELL operations |
| STRING | Declare a symbol to be a string variable in POPS |
| SUBMIT | Verb which submits a batch work file to the job queue |
| SUBSTR | Function verb to specify a portion of a STRING variable |
| SYSTEM | Verb to send a command to the operating system |
| T1VERB | Temporary verb for testing (also T2VERB...T9VERB) |
| TABGET | returns table entry for specified row, column and subscript. |
| TABPUT | replaces table entry for specified row, column and subscript. |
| TAN | Tangent function |
| TAPES | Verb to show the TAPES(s) available |
| TGET | Verb-like gets adverbs from last GO of a task |
| TGINDEX | Verb lists those tasks for which TGET will work. |
| TGUINDEX | Verb lists those tasks for which TUGET will work another user |
| THEN | Specified the action if an IF test is true |
| TK1SET | Verb to reset 1D gaussian fitting initial guess. |
| TKAGUESS | Verb to add a plot of the slice model guess directly on TEK |
| TKAMODEL | Verb to add slice model display directly on TEK |
| TKARESID | Verb to add slice model residuals directly on TEK |
| TKASLICE | Verb to add a slice display on TEK from slice file |
| TKERASE | Erase the graphics screen or window |
| TKGUESS | Verb to display slice model guess directly on TEK |
| TKMODEL | Verb to display slice model directly on TEK |
| TKPOS | Read a position from the graphics screen or window |
| TKRESID | Verb to display slice model residuals directly on TEK |
| TKSET | Verb to set 1D gaussian fitting initial guesses. |
| TKSLICE | Verb to display slice file directly on TEK |
| TKVAL | Verb to obtain value under cursor from a slice |
| TKXY | Verb to obtain pixel value under cursor |
| TO | Specifies upper limit of a FOR loop |
| TPHEAD | Verb to list image header from FITS or IBM-CV tape |
| TPUT | Verb-like puts adverbs from a task in file for TGETs |
| TUGET | Verb-like gets adverbs from last GO of a task from another user # |
| TV1SET | Verb to reset 1D gaussian fitting initial guess on TV plot. |
| TV2COLOR | Verb to activate a 2-color pseudo-color display on the TV |
| TV3COLOR | Verb to initiate 3-color display using 3 TV channels |
| TVACOMPS | Verb to add slice model components directly on TV graphics |
| TVAGUESS | Verb to re-plot slice model guess directly on TV graphics |
| TVAMODEL | Verb to add slice model display directly on TV graphics |
| TVANOT | Verb to load anotation to the TV image or graphics |
| TVARESID | Verb to add slice model residuals directly on TV graphics |
| TVASLICE | Verb to add a slice display on TV graphics from slice file |
| TVBANDW | Verb to activate three types of black and white TV enhancements |
| TVBLINK | Verb which blinks 2 TV planes, can do enhancement also |
| TVBOX | Verb to set boxes with TV cursor & graphics display. |
| TVCLEAR | Verb to clear image from TV channel(s) |
| TVCOMPS | Verb to display slice model components directly on TV graphics |
| TVCUBE | Verb to load a cube into tv channel(s) & run a movie |
| TVDATA | displays information about the current TV display |
| TVFACTS | displays information about the current TV display |
| TVFIDDLE | Verb enhances B/W or color TV image with zooms |
| TVGUESS | Verb to display slice model guess directly on TV graphics |
| TVHELIX | Verb to activate a helical hue-intensity TV pseudo-coloring |
| TVHUEINT | Verb to make hue/intensity display from 2 TV channels |
| TVILINE | Verb to draw a straight line on an image on the TV |
| TVINIT | Verb to return TV display to a virgin state |
| TVLABEL | Verb to label the (map) image on the TV |
| TVLAYOUT | Verb to label the holography image on the TV with panel layout |
| TVLINE | Verb to load a straight line to the TV image or graphics |
| TVLOD | Verb to load an image into a TV channel |
| TVLUT | Verb which modifies the transfer function of the image |
| TVMBLINK | Verb which blinks 2 TV planes either auto or manually |
| TVMLUT | Verb which modifies the transfer function of the image |
| TVMODEL | Verb to display slice model directly on TV graphics |
| TVMOVIE | Verb to load a cube into tv channel(s) & run a movie |
| TVNAME | Verb to fill image name of that under cursor |
| TVOFF | Verb which turns off TV channel(s). |
| TVON | Turns on one or all TV image planes |
| TVPHLAME | Verb to activate ”flame-like” pseudo-color displays |
| TVPOS | Read a TV screen position using cursor |
| TVPSEUDO | Verb to activate three types of pseudo-color displays |
| TVRESID | Verb to display slice model residuals directly on TV graphics |
| TVRESTOR | Restarts XAS (TV), MS, TK servers that have disappered |
| TVROAM | Load up to 16 TV image planes and roam a subset thereof |
| TVSCROL | Shift position of image on the TV screen |
| TVSET | Verb to set slice Gaussian fitting initial guesses from TV plot |
| TVSLICE | Verb to display slice file directly on TV |
| TVSPLIT | Compare two TV image planes, showing halves |
| TVSTAR | Verb to plot star positions on top of a TV image |
| TVSTAT | Find the mean and RMS in a blotch region on the TV |
| TVTRANSF | Interactively alters the TV image plane transfer function |
| TVWEDGE | Show a linear wedge on the TV |
| TVWINDOW | Set a window on the TV with the cursor |
| TVWLABEL | Put a label on the wedge that you just put on the TV |
| TVZOOM | Activate the TV zoom |
| TYPE | Type the value of an expression |
| U2CAT | list a user’s UV and scratch files on disk IN2DISK |
| U3CAT | list a user’s UV and scratch files on disk IN3DISK |
| U4CAT | list a user’s UV and scratch files on disk IN4DISK |
| U5CAT | list a user’s UV and scratch files on disk IN5DISK |
| UCAT | list a user’s UV and scratch files on disk INDISK |
| UNQUE | remove a given job from the job queue |
| UOCAT | list a user’s UV and scratch files on disk OUTDISK |
| UPCASE | Convert a string to all upper case letters |
| USAVE | Pseudoverb to save full POPS environment in named file |
| VALUE | Convert a string to a numeric value |
| VERB | Declares a name to be a symbol of type verb |
| VGET | Verb-like gets adverbs from version task parameter save area |
| VGINDEX | Verb lists those tasks for which VGET will work. |
| VLA | puts the list of VLA antennas in the current file on stack |
| VLBA | puts the list of VLBA antennas in the current file on stack |
| VPUT | Verb-like puts adverbs from a task in files for VGETs |
| WAITTASK | halt AIPS until specified task is finished |
| WEDERASE | Load a wedge portion of the TV with zeros |
| XHELP | Accesses hypertext help system |
| ZAP | Delete a catalog entry and its extension files |