Equations And Hp Solve - HP 35s Quick Start Manual

when X=6, press Å6¹%Õ. The estimated Y value is 8.
Figure 18

Equations and HP Solve

HP Solve is a powerful feature, a feature unique to HP calcula-
tors that solves for unknown variables in equations or expres-
sions. In addition, you can evaluate and integrate expressions
entered into the equation catalog. The HP Solve and integration
features can be extended to work with programs as well as
expressions.
Pressing the d key displays the HP 35s equation cata-
log.
Figure 19
If there are no user- entered equations, the display appears as
shown at right. The and annunciators on the upper right of
the display indicate that the catalog contains more entries than
are presently shown on the screen. The × and Ø keys scroll
through the entries in this catalog. There are two permanent
28 Getting Started