lispdoc - results for isqrt

(isqrt n)
Function: Return the root of the nearest integer less than n which is a perfect square.
 Mentioned in:
CLtL2 - 12.5.1. Exponential and Logarithmic Functions
HyperSpec - Function SQRT, ISQRT
(sqrt number)
Function: Return the square root of NUMBER.
Example:
(defun mag (x y z)
  (sqrt (+ (sq x) (sq y) (sq z))))
Mentioned in:
CLtL2 - 12.1. Precision, Contagion, and Coercion
CLtL2 - 12.5.1. Exponential and Logarithmic Functions
CLtL2 - 12.5.3. Branch Cuts, Principal Values, and Boundary Conditions in the Complex Plane
HyperSpec - Function SQRT, ISQRT
On Lisp - Operations on Lists