Hewlett Packard Advanced Features

Depending on the model of financial, scientific or graphing ca... read more

Click on the title to download the relevant manual. Any manuals not listed here can be purchased... read more

Reverse polish Notation (RPN)

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

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