Frys has it for $8 + $4 shipping = $12 shipped
has the Canon X Mark I Mouse Slim Calculator (black or white) for $40 - $30 off with coupon code 30CALC512
[Exp 5/12] + $6 shipping = $16 shipped
. 3-in-1 device is a wireless 1200 dpi laser mouse, keypad and 10-digit calculator. PC/Mac compatible.