On Feb 23, 3:24 ¨Âí¬ Òïâåòô Ëìåííå ¼óèïòôãõô®®®Àçïïçìåíáéì®ãïí¾ ÷òïôåº > This is irrelevant from a user's point of view. ¨Âèå ìïçéóôáùôèóáíå> > b = 1 # or any other object! > a = b # a now points to the same object, 1 in this case > b = 2 # or any other object! a still points to 1 while b points to 2 I only pointed it out because there's no way (that I know of) to show that a and b point to the same object at one point if a Fixnum is used. You can use 'hi'.sub!, but there's no 1.succ! -- -yossef