>From 9vx.OSX if I compile this #include #include void main(void) { float f = 99.99; exits(0); } with 5c/5l and then 5i it, it gives: undefined instruction trap pc #102c inst ed9b0100 class 92 Is floating point supported with 5i? -- Greg Comeau / 4.3.10.1 with C++0xisms now in beta! Comeau C/C++ ONLINE ==> http://www.comeaucomputing.com/tryitout World Class Compilers: Breathtaking C++, Amazing C99, Fabulous C90. Comeau C/C++ with Dinkumware's Libraries... Have you tried it?