|acos( ''x'' )
|Arcus cosinus
|-
|addbyte( ''sec'', ''b'' )
|Add byte ''b'' to section ''sec''
|-
|asin( ''x'' )
|Arcus sinus
|-
|ceil( ''x'' )
|Round up to nearest integer
|-
|clamp( ''x'', ''min'', ''max'' )
|Clamp ''x'' to range ''min'' to ''max''
|-
|color( ''r'', ''g'', ''b'' )
|Return palette index for nearest color to color (''r'',''g'',''b'')
|-
|color( ''x'' )
|Return  palette index for nearest color specified in format ''0xRRGGBB''
|-
|cos( ''x'' )
|Cosinus
|-
|error( ''err'' )
|Print error message ''err'' ane terminate compilation
|-
|floor( ''x'' )
|Round down to nearest integer
|-
|frac( ''x'' )
|Get fractional part ( ''x-floor(x)'' )
|-
|index( ''tab'', ''x'' )
|1-dimensional indexing operator ( same as ''tab''[''x''] )
|-
|index( ''tab'', ''x'', ''y'' )
|2-dimensional indexing operator ( same as ''tab''[''x'',''y''] )
|-
|max( ''a'', ''b'' )
|Maximum
|-
|min( ''a'', ''b'' )
|Minimum
|-
|pow( ''x'', ''y'' )
|Power function
|-
|print( ''msg'' )
|Print message ''msg''
|-
|rnd( )
|Random value ''0 <= x < 1''
|-
|round( ''x'' )
|Round to nearest integer
|-
|sin( ''x'' )
|Sinus
|-
|size( ''sec'' )
|Current size of section ''sec''
|-
|sqrt( ''x'' )
|Square root
|-
