A programming language originally designed by Nicklaus Wirth as a teaching aid, and derived from Algol.
Wikipedia: http://en.wikipedia.org/wiki/Pascal_(programming_language)
"Pascal is an influential imperative and procedural programming language, designed in 1968/9 and published in 1970 by Niklaus Wirth as a small and efficient language intended to encourage good programming practices using structured programming and data structuring."