WP 31s
WP 31s is a classic RPN scientific calculator based on the powerful but more complex WP 34s. Now available on iOS too (see the support site for other emulators and for the real stuff).
| Category | Price | Seller | Device |
|---|---|---|---|
| Productivity | Free | Pascal Meheut | iPhone, iPad, iPod |
It is not programmable but has a rich function set for daily use and is easier to use, thanks to a less cluttered keyboard.
A manual can be downloaded at http://sourceforge.net/projects/wp34s/files/doc/Manual_wp_31s_1_2q.pdf/download
