|Developer(s)||Computer Access Corporation,
Power Industries LP
|Stable release||4.3 / 1993|
|Operating system||Apple DOS,
Atari 8-bit family,
IBM PC compatible
|Available in||English, Spanish|
|Type||Turtle graphics, vector graphics|
Delta Drawing Learning Program, later retitled Delta Drawing Today, was an early turtle graphics drawing program developed by Computer Access Corporation, and published by Spinnaker Software in 1983.
Delta Drawing was intended for children age 4 to 14. It featured a functional programming language for executing scripted drawing and painting instructions. Spinnaker sought to improve on the educational value of Logo, an earlier educational programming language that could also program turtle graphics.
Power Industries LP of Newton, Massachusetts later acquired Delta Drawing Learning Program and continued its development. They released the new version, Delta Drawing Today v4.0, in 1990, and eventually a Spanish-language edition: Delta Drawing Today Version Español.
- Staff writer (1983). "Drawing Program for Children". Compute! (34): 251. Retrieved 4 October 2011.
- D'lgnazio, Fred (1983). "Turning Logo Upside Down". Compute! (37): 152. Retrieved 4 October 2011.
- King, Charles (1983). "Software Review: Welcome to the World of Delta Drawing.". Hands On! 6 (2): 15–16.
- THE Journal (Information Synergy, Inc.) 18 (1): 48. 1990.
- Shannon, L.R. (21 January 1992). "A Graphics Program That Isn't Child's Play". The New York Times. Retrieved 5 October 2011.
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