CAS command question

[Alberto Candel]

(01-05-2017 10:46 PM)compsystems Wrote:  [...]
RIGHT( STRING( (x+y)≤4), 3 ); ⇢ "x+y"
right( STRING( (x+y)≤4), 3 ); ⇢ "x+y"

My Prime doesn't do that:

Code:

RIGHT(STRING(x+y<=4),3); -> "+y)"

(which is consistent with storing inequalities as lists, in "decreasing" order, after enclosing each term in parenthesis).