Nicolas Cellier uploaded a new version of Kernel to project The Trunk:
http://source.squeak.org/trunk/Kernel-nice.1043.mcz

==================== Summary ====================

Name: Kernel-nice.1043
Author: nice
Time: 1 October 2016, 10:19:12.37443 pm
UUID: d29f9c07-edc8-4add-9b99-e889fd2be32a
Ancestors: Kernel-nice.1042

Fix (10 raisedTo: 600) nthRoot: 300.
It did incorrectly return 126.0 instead of 100.

=============== Diff against Kernel-nice.1042 ===============

Item was changed:
  ----- Method: Integer>>nthRootTruncated: (in category 'mathematical functions') -----
  nthRootTruncated: aPositiveInteger
  	"Answer the integer part of the nth root of the receiver."
+ 	| guess guessToTheNthMinusOne nextGuess |
- 	| guess guessToTheNthMinusOne delta |
  	self = 0 ifTrue: [^0].
  	self negative
  		ifTrue:
  			[aPositiveInteger even ifTrue: [ ArithmeticError signal: 'Negative numbers don''t have even roots.' ].
  			^(self negated nthRootTruncated: aPositiveInteger) negated].
  	guess := 1 bitShift: self highBitOfMagnitude + aPositiveInteger - 1 // aPositiveInteger.
  	[
  		guessToTheNthMinusOne := guess raisedTo: aPositiveInteger - 1.
+ 		nextGuess := (aPositiveInteger - 1 * guess * guessToTheNthMinusOne + self) // (guessToTheNthMinusOne * aPositiveInteger).
+ 		nextGuess = guess ] whileFalse:
+ 			[ guess := nextGuess ].
+ 	( guess raisedTo: aPositiveInteger) > self  ifTrue:
- 		delta := (guess * guessToTheNthMinusOne - self) // (guessToTheNthMinusOne * aPositiveInteger).
- 		delta = 0 ] whileFalse:
- 			[ guess := guess - delta ].
- 	( (guess := guess - 1) raisedTo: aPositiveInteger) > self  ifTrue:
  			[ guess := guess - 1 ].
  	^guess!