hi Kassen,
i believe this is because fluxus uses the racket/base, while racket uses the racket library. racket/base is much smaller and loads faster. you can get pi by requiring racket (require racket) or (require racket/math).I found something that I feel is a bit odd. When I start Racket (just typing "racket" at my terminal) I can type "pi" and get its value. As far as I know this is the exact same racket that my Fluxus install uses. However, in Fluxus "pi" is unknown.
best, gabor
