Reserved_words
A: abs() acos() and and() arraydim() arraysize() asc() asin() at() atan() Available_Languages alert add at attribute
B: beep bell bin$() break bitnot() button boxview bitmap bind()
C: case chr$() circle clear close colour color compile continue cos() curve ceil() chomp$() count calendar checkbox colorcontrol columnbox column collapse canvas clipboard copy
D: date$ data dec() dim doc docu$() dot default do dropbox dropzone draw
E: else elsif end endif eof() eor() error euler execute execute$ exit exp() export expand ellipse
F: fi fill for frac() floor() false fi filepanel flush
G: getbit$() getscreen$() glob() gosub goto get get$
H: hex$()
I: if import inkey$ input instr() int() interrupt image ismousein() iscomputeron
J:
K: keyboard
L: label left$() len() line local log() lower$() ltrim$() localize loop listbox layout loudness launch
M: max() mid$() min() mod() mouseb mousex mousey mediasound menu mouse message message$ message$() numparams MIMETYPE
N: new curve next not numparams
O: on gosub on goto open or or() origin on interrupt option
P: pause peek peek$ pi poke print print # printer putbit putscreen pcworkspaces() printer play paste$
Q:
R: ran() rectangle rect read rem redim repeat restore return reverse right$() rinstr() rtrim$() round() roundrect remove radiobutton
S: seek() sig() sin() static step split() sqr() sqrt() str$() sub system() system$() shl() shr() str_replace$() sound switch set select sort slider spincontrol statusbar scale stackview splitview scrollbar setup submenu shortcut send screenshot save screen stop sleep
T: tan() tell text then time$ token() trim$() translate$() true textcontrol textedit texturl tooltip treebox tabview triangle thread to
U: until upper$() using
V: val() view
W: wait wend while window
X: xor()
Y:
Z:
+ - * / ^ ?@:#,; //
Expressions used by Yabasic that should not be used as any argument
arraysize at backspace cc cb circle date$ debug del down end enter error esc fatal fontheight f1...f12 home infolevel ins interrupt left library lower$ main maxnum note new curve numparams on origin os pi printer rc right screen screenheight screenwidth scrdown scrup static tab textalign time$ up upper$ version warning window