Command	Main function
Add	Add pitches of a scale to the current scale
Append	Append a note to a scale
Approximate	Approximate pitches with a rational value
Assume	Match pitches with exact rational values
Average	Average groups of pitches
Bistep	Get least squares approximation to a scale with two step sizes
Calculate	Evaluate a pitch expression
Catalogue	Show contents of scale and pitch memories
Cd	Change working directory
Chords	Show approximations of rational chords
Clear	Empty a scale or keyboard mapping
Close	Close text output file
Cls	Clear the screen
Collapse	Get all intervals of given class or commas
Compare	Compare a scale to scales on disk and in memory
Convergents	Show convergents of a number
Copy	Copy a scale or pitch to another memory location
Cps	Create a Combination Product Set scale
Delete	Delete pitches from a scale
Difference	Difference of two scales as set operation
Directory	Show directory listing
Discard	Remove small intervals from the current scale
Divide	Calculate and show interval divisions
Double	Double the amount of notes in a scale
Dwarf	Create a dwarf scale
Echo	Write text to the screen
Egalize	Change the equal-temperedness of the current scale
Equaltemp	Create an equal-tempered scale
Euclid	Perform Euclidean algorithm and show results
Eulerfokker	Create an Euler-Fokker scale
Example	Create sound files using the current scale
Exchange	Exchange two notes in the current scale
Exit	Leave the program
Exponentiate	Change pitches of the current scale by a power
Extend	Change the number of notes in a scale
Farey	Approximate pitches with a Farey fraction
File	Send screen output to a text file
Fit	Show equal temperament approximations to a scale
Flip	Exchange harmonic vector elements of pitches in the current scale
Fretboard	Show fingering for a chord or interval on a fretboard
Harmonic	Create a (sub-)harmonic scale
Help	Show help text with commands and other items
Hobbit	Create a just hobbit scale
Import	Convert or extract scales from zipfile
Input	Create a scale with manual note input
Insert	Insert a pitch in the current scale
Intersect	Intersection of two scales as set operation
Invert	Reverse the order of intervals in the current scale
Iterate	Perform a command iteratively over some set
Key	Change the key of the current scale
Lattice	Show ratio-space lattice of current scale
Limit	Limit the prime or odd limit of the current scale
Lineartemp	Create a linear temperament or Pythagorean scale
Load	Load a scale, keyboard mapping or pitches from file
Merge	Union of two scales as set operation
Mode	Do a mode selection from the current scale
Modulate	Perform a modulation operation on the current scale
Morph	Change the current scale in the direction of another scale
Mos	Generate a Moment Of Symmetry from the current scale
Move	Increase pitches of the current scale with an interval
Multiply	Change pitches of the current scale with a factor
Normalize	Impose an octave boundary on the current scale
Pause	Pause execution of a command file
Permute	Permute intervals of the current scale
Pipedum	Create a scale with parallelopiped lattice
Play	Play a MIDI file
Polychord	Create a polychordal scale like tritriadic
Polynomial	Create a polynomial scale or find roots
Pop	Pop stack of scales or global parameters
Product	Take cross product of two scales
Project	Project harmonic vectors of pitches in the current scale
Push	Push stack of scales or global parameters
Quantize	Quantize pitches to an integer multiple of a value
Ratio	Perform ratio operations
Rectangle	Create a rectangular scale
Reduce	Octave reduce pitches of the current scale
Remove	Delete a file
Replace	Replace pitch(es) in the current scale
Reverse	Reverse the order of pitches in the current scale
Sample	Select a sample of pitches from the current scale
Save	Save scale to file
Seed	Give a seed for random operations
Select	Select pitches from the current scale
Send	Make or show a synthesizer tuning for the current scale
Set
Set Attribute	Set pitch attribute for Show Scale
Set Adjustment	Adjust reference frequency for keyboard mapping
Set Calc_Output	Set output format for Calculate
Set Compdiff	Set allowed pitch difference for Compare
Set Controller	Set MIDI option for Example/Midi
Set Description	Set scale description line
Set Device_Id	Set MIDI device number for Send
Set Diff_Degree	Set difference interval for Set Attribute Diff_Et
Set Ellis	Set base frequency for scale degree 0 in Ellis
Set Exclude	Set MIDI option for Example
Set Explimit	Set exponent limits for Approximate
Set Factor	Set value for Factor or Reciprocal attribute
Set Fifth	Set scale degree for G in notation
Set First	Set first degree to show with Show
Set Frequency	Set base frequency for scale degree 0
Set Harmconst	Set weighting constants of prime numbers
Set Index	Set option for Show
Set Int_File	Set file for names of rational intervals
Set Int_Steps	Set steps for Interval attribute
Set Limit	Set current prime limit
Set Lt_Pars	Set LT notation parameters
Set Map_Freq	Set reference frequency for keyboard mapping
Set Maxdiff	Set allowed pitch difference for Approximate
Set Middle	Set middle key of keyboard mapping
Set Name	Set name option for Show
Set Notation	Set notation system for note names
Set Offset	Set first name for Set Notation
Set Onerror	Set continuation option for @
Set Pause	Set scrolling pause on or off
Set Pitch_Bend	Set option for Example/Midi
Set Preset	Set MTS program/preset number for Send
Set Program	Set option for Example/Midi
Set Reciprocal	Set value for Reciprocal or Factor attribute
Set Sagittal	Set Sagittal notation form
Set Separator	Set screen output separator
Set Step_Unit	Set unit for Step_Diff attribute
Set Synthesizer	Set synthesizer kind
Set Tolerance	Set tolerance factor for notation
Set Unit	Set unit option for Show
Set Wavefile	Set parameters for Example/Wav
Set Weighting	Set weighting factor for Approximate
Show
Show Angle	Show angle between two rational pitches
Show Attribute	Show current attribute
Show Beats	Show beat frequencies
Show Bestcycle	Show cycle of least squares optimal fifths
Show Combination	Show interval combinations
Show Cycle	Show cycle of fifths with comma distribution
Show Data	Show quantities and properties of a scale
Show Default	Show default directory
Show Description	Show scale description
Show Difference	Show difference between pitches in two scales
Show Distance	Show distance of a pitch to nearest pitch in the current scale
Show Et_Diff	Show difference between pitches and equal tempered steps
Show Explimit	Show exponent limits for Approximate
Show Frequency	Show current base frequency
Show Generators	Show generators within ET for scale
Show Harmconst	Show weighting constants of prime numbers
Show Intervals	Show all intervals in a scale
Show Items	Search for a name in multiple places
Show Locations	Show locations of an interval in the current scale
Show Mapping	Show the keyboard mapping
Show Nearest	Show nearest scale pitches offset by intervals
Show Notation	Show the notation system names and current system
Show Pitch	Show value in a pitch memory
Show Primes	Show list of primes in a given range
Show Scale	Show pitches of a scale with attributes and names
Show Settings	Show current scale and option settings of Set commands
Show Shifts	Show scale pitches incremented by intervals
Show Statistics	Show interval statistics of a scale
Show Stringlen	Show string lengths for a scale
Show Synthesizer	Show supported synthesizer models
Show Temperings	Show differences to a given pitch
Show Time	Show current date and time
Show Transpose	Show amount of different pitches for each transposition
Show Version	Show program version
Sieve	Sieve out pitches from the current scale
Sort	Sort pitches of the current scale
Spawn	Execute an operation system command
Square	Create a tonality diamond scale
Stretch	Stretch or shrink the intervals of the current scale
Subtract	Subtract pitches of a scale from the current scale
Swap	Interchange scale or pitch memories
Symmetrize	Make the current scale symmetrical
Tip	Provide a tip-of-the-day
Type	Show a text file on screen
Uncycle	Reorder the current scale to a cycle of fifths
Undo	Undo the last current scale changing operation
Unique	Throw away double scale pitches
Unrat	Change rational scale pitches into floating point values
Vary	Randomly vary scale pitches
@	Execute a command file

Other items

$	Use of $-character
%	Use of %-character
[ ]	Use of [- and ]-characters
:=	Evaluate a pitch expression and assign to pitch memory or scale degree
!	Command line comment character
?	Use of ?-character
About...	About Scala
Commands	Command syntax
Errors	Error messages
Expressions	Syntax of pitch values
Interruption	Interrupt a running command
Introduction	How to tune a synthesizer
Patterns	Specification of regular search expressions
Pitches	Semantics of pitch values
Qualifiers	Syntax of command options
Scales	Semantics of scales
Startup	How to run commands at startup

Top of help file

List of all command combinations

List of supplied command files

Scala home page