Abstract Heresies

This is an excerpt from the forth coming LISP 1.5 Programmer's Manual . Provision is made in LISP 1.5 for allocating blocks of stor...

No Scheme or Lisp content today. I was amusing myself for a while with this email exchange. The strings of digits are courtesy www.random....

I made a mistake that has lead to a lot of confusion. It is a common mistake, so I have a lot of company. To assuage the trauma to my ego,...

I've spent the past few days thinking about how to answer the exercises in my previous post. I think I finally came up with a good anal...

Apparently I was not as clear with my questions as I thought I was. I've edited the questions to make them more precise. The additiona...

java.lang.NullPointerException at java.io.FilterInputStream.close(FilterInputStream.java:172) at sun.net.www.protocol.jar.J...

I found a polynomial approximation to Erf : (define (polynomial-erf z) ;; Numerical Recipies 6.2 ;; fractional error < 1.2e-7 (let*...