fx=

[procedure] fx= fixnum1 fixnum2 ...

[procedure] fx< fixnum1 fixnum2 ...

[procedure] fx<= fixnum1 fixnum2 ...

[procedure] fx> fixnum1 fixnum2 ...

[procedure] fx>= fixnum1 fixnum2 ...

ChezScheme

See also fixnum?

[procedure] fx= fixnum1 fixnum2

[procedure] fx< fixnum1 fixnum2

[procedure] fx<= fixnum1 fixnum2

[procedure] fx> fixnum1 fixnum2

[procedure] fx>= fixnum1 fixnum2

Chicken: only binary operators are provided.

Bigloo has =fx, >fx, <fx, >=fx, and <=fx. These are also binary ops.

R6RS has fx=? etc.