SmallBASIC is a fast and easy to learn BASIC language interpreter ideal for everyday calculations, scripts and prototypes. SmallBASIC includes trigonometric, matrices and algebra functions, a built in IDE, a powerful string library, system, sound, and graphic commands along with structured programming syntax. SmallBASIC is licensed under the GPL.

Welcome to SmallBASIC

Featured sample program: brisbane_dam_levels.bas

#!/usr/local/bin/sbasic -q

url = "http://www.seqwater.com.au/content/standard.asp?name=DamOperationsandMaintenance"
open url as #1
if (eof(1)) then
  ? "Connection failed: "+url
  exit
fi

tload #1, s
? date; ",";

i = instr(s, "Percentage in Storage")
for i_fig = 1 to 4
  i_begin = instr(i, s, "")+15
  i_end = instr(i_begin, s, "")
  fig = squeeze(mid(s, i_begin, i_end-i_begin))
  i = i_end+7
  'select

GNU

SmallBASIC version 0.10.5 has been released

Submitted by chrisws on Fri, 09/04/2009 - 10:50.

SmallBASIC version 0.10.5 is now available for both Linux and Windows.

Please report any bugs you happen to find. Enjoy !

»

lakeshore_demo.bas

Submitted by kepu on Mon, 01/12/2009 - 08:27.

' A small water waving/flickering program
' For SB(fltk) 2 Jan 2009 , by Keijo Koskinen
' You can download lakeshore1.jpg from:
' http://users.csolve.net/~keiko/smallbasic/lakeshore1.jpg
' When lakeshore1.jpg appears to screen,
' ..right clic it and choose save as
' ..to your bas_home directory

' *** load image ***
'img= env("C:\sb_fltk_97\FLTK_0.9.7\Bas-Home")+"lakeshore1.jpg"
' or
img= env("Bas-Home")+"lakeshore1.jpg"
if (!exist(img)) then
 ?
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sphere.bas

Submitted by kepu on Mon, 01/05/2009 - 07:09.

' A small 3D globe rotation program
' Converted to SB(fltk) 23,may 2006, from an old basic code
' by Keijo koskinen
' You can download sphere.gif from:
' http://users.csolve.net/~keiko/smallbasic/sphere.gif
' When sphere.gif appears to screen, ..right clic it and shoose save as ..to your bas_home directory

img= env("Bas_Home")+"sphere.gif"
if (!exist(img)) then
 ? "Sphere.gif does not exist "
? "then we are rolling this text"
?
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conrec-sb-v01.bas

Submitted by Ted Clayton on Wed, 10/22/2008 - 10:32.

' CONREC - A Contouring Routine
'
' by Paul Bourke, Byte, June 1987
' Homepage http://ozviz.wasp.uwa.edu.au/~pbourke/papers/conrec/
' (See webpage for details of the method.)
' Adapted for SmallBasic-v0.9.5 by Ted Clayton
'
' CONREC avoids the advanced math & heavy computation
' of more-formal contour-generation methods, by using
' a series of geometric tests within a local 'box'
' around & above each point in a data-grid.
' Each contour-segment is generated independently
' of other segments while scanning the grid
' raster-fashion.
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