lispdoc - results for truncate

(truncate number &optional (divisor 1))
Function: Return number (or number/divisor) as an integer, rounded toward 0. The second returned value is the remainder.
Example:
(defun deg->radians (deg)
  "Convert degrees and minutes to radians."
  (* (+ (truncate deg) (* (rem deg 1) 5/3)) pi
     1/180))
Mentioned in:
CLtL2 - 12.4. Arithmetic Operations
CLtL2 - 12.6. Type Conversions and Component Extractions on Numbers
CLtL2 - 4.5. Type Specifiers That Specialize
CLtL2 - 4.8. Type Conversion Function
HyperSpec - Function FLOOR, FFLOOR, CEILING, FCEILING, TRUNCATE, FTRUNCATE, ROUND, FROUND
On Lisp - Building Functions
On Lisp - Functional Design
On Lisp - How Macros Work
PCL - basic math