HP Calculator Connectivity Kit (CONNX3) for HP39G The HP39G+ connectivity kit allows you to transfer aplets(tm)... read more

HP Free Leather Case

Prestigious, quality cases come with each HP Calculator at no extra cost.read more

Top quality keyboards

Hewlett Packard’s exclusive "Rotate and Click" keys only found on HP Calcu... read more

Reverse polish Notation (RPN)

Hewlett Packard is the only calculator maker that offers RPN on it... read more