negative number raised to even power

[Thomas Radtke]

(05-04-2015 02:51 PM)Joe Horn Wrote:  In ANY command-line algebraic-notation calculator which follows standard algebraic notation rules of operator precedence, [2][+/-][x²] yields the same result as [+/-][2][x²], because both key sequences create identical command lines, namely, "-2²", which of course IN STANDARD ALGEBRAIC NOTATION equals -4.

Maybe it has been mentioned before: Just found out the 32SII does it wrong.
[EQN][-][2][y^x][2][ENTER] gives 4 as well as [EQN][2][+/-][y^x][2][ENTER]. It was a hard day and it has been some time since I last get into the details of this calculator, so what am I missing here?

The 17BII equation solver does it right with [A][=][-][2][y^x][2][calc] resulting in -4.