Hi,

Consider the following relation:

'L+2*W=100_yd'

on the stack.

Next I put the variable 'L' on stack level 1 and then use symbolic solve > ISOL (or perhaps algebra > ISOL for Hp48). I get

'L=100_yd+-2*W'

instead of just 'L=100_yd-2*W'. I get a "+" sign before the "-" sign. Is there some flag setting which is giving me the additional "+" sign?

PS: It's an example taken from HP Insights vol 2 pag 517.

Cheers

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