nttools: NOAO version of TTOOLS package
- keypar: Copy an image or table header keyword to an IRAF parameter.
- keytab: Copy an image or table header keyword to a table element.
- parkey: Put an IRAF parameter into an image or table header keyword.
- partab: Transfer an IRAF parameter to a table element.
- tabkey: Copy a table element to an image or table header keyword.
- tabpar: Transfer a table element to an IRAF parameter.
- gtedit: Graphically edit a table.
- gtpar: Pset to specify graph parameters for ‘gtedit’ task.
- imtab: Copy an image to a table column.
- tabim: Copy a table column to an image.
- taextract: Copy an array entry to a column of scalars in another table.
- tainsert: Copy a column of scalars to an array entry in another table.
- tcalc: Perform arithmetic operations on table columns.
- tchcol: Change column name, print format, or units.
- tcheck: Check STSDAS table element values.
- tchsize: Change allocated sizes of various sections of a table.
- tcopy: Copy tables.
- tcreate: Create a STSDAS table from an ASCII descriptor table.
- tdelete: Delete tables.
- tdiffer: Form a table which is the difference of two tables.
- tdump: Dump the contents of a table to an ASCII file.
- tedit: Edit a table.
- texpand: Expand tables according to a set of rules.
- thedit: Edit or print table header keywords.
- thistogram: Make a histogram of a column in a table.
- thselect: Select tables satisfying an expression; print keywords.
- tinfo: Display table size information.
- tintegrate: Numerically integrate one column with respect to another.
- tjoin: Perform a relational join of two tables.
- tlcol: List column information for a table.
- tlinear: Use linear regression to fit one or two table columns.
- tmatch: Find closest match between rows in two tables
- tmerge: Either merge or append tables.
- tprint: Print tables–both headers and data.
- tproduct: Form the Cartesian product of two tables.
- tproject: Create new table from selected columns in a table.
- tquery: Create a new table from selected rows and columns in a table.
- tread: Browse through a table.
- trebin: Resample a table to uniform spacing.
- tselect: Create a new table from selected rows of a table.
- tsort: Sort a table.
- tstat: Get mean, standard deviation, min, and max for a column.
- ttranspose: Transpose or flip a table.
- tunits: Convert table column from one set of units to another
- tupar: Edit table header keywords.
- tiimage: Insert images into rows of a 3-D table.
- titable: Insert 2-D tables into rows of a 3-D table.
- tximage: Extract images from rows of 3-D tables.
- txtable: Extract 2-D tables from rows of 3-D tables.
- tscopy: Copy row/column subsets of tables using selectors.