| FITSio-package | FITS file input-output functions |
| addComment | Modify and edit comments and 'keyword-value' pairs in FITS header |
| addHistory | Modify and edit comments and 'keyword-value' pairs in FITS header |
| addKwv | Modify and edit comments and 'keyword-value' pairs in FITS header |
| axVec | Generate axis vector for image |
| closeHdr | Format and close FITS header |
| delKwv | Modify and edit comments and 'keyword-value' pairs in FITS header |
| FITSio | FITS file input-output functions |
| makeFITSimHdr | Generate header for FITS image |
| modifyHeader | Modify and edit comments and 'keyword-value' pairs in FITS header |
| modVal | Modify and edit comments and 'keyword-value' pairs in FITS header |
| newKwv | Modify and edit comments and 'keyword-value' pairs in FITS header |
| parseHdr | Parse FITS header |
| readFITS | Read a single data set from a FITS file |
| readFITSarray | Read an image (multi-dimensional array) from a FITS file |
| readFITSbintable | Read a FITS binary table |
| readFITSheader | Read a FITS header |
| readFITStable | Read a FITS ASCII table |
| readFrameFromFITS | Read a single data set from a FITS file into a data frame |
| writeFITSim | Write a FITS image (multi-dimensional numeric array) to disk |
| writeFITSim16i | Write a FITS image (multi-dimensional numeric array) to disk |