Paul Zimmermann gives a lot of information about UNIX-computers and programs for calculations. On this page you will find many useful links, too. At school you can use this material in classes 9 up to 12 in mathematics for manual arithmetics. We've checked it several times with great success at Freie Waldorfschule Aachen . Informatics we teach in class 11 and 12.
Pupils can make their own programs easily.
The Ubasic programs Ellixts.ub , Ellippmp.ub and Ellppmpx.ub have been modified for factorizations into three primes. The programs Ellippmp.ub and Ellppmpx.ub got a bug fix. There are now 987 OE-sequences in this interval. There are now 982 OE-sequences in this interval. The complete results includes the data base C9C30 .