Tolenaar IT Services is a small Dutch company providing software development services through its owner and only employee Jan Tolenaar.
This website was created by exporting ClearLisp Wiki pages as HTML. ClearLisp Wiki is a sample web application written in ClearLisp.
He received a masters degree in mathematics in 1979. Since then he has been active in IT as an instructor, consultant, developer and architect.
His computer language experience started 35 years ago and includes Algol, Cobol, Fortran, Z80, 68000, 8086 and Univac OS1100 assembly languages, XLisp, Pascal, Modula, PL/M, C, C++, C#, PHP, SQL, Java, Ruby and even Visual Basic. He has written interpreters and compilers for Lispkit, Forth and Small C on a NASCOM II microcomputer, several Atari's and PC's.
Other interests are chess, bridge, three cushion carom, wing chun and hiking.