Types of equations – HP 35s Scientific Calculator User Manual
Page 111
Entering and Evaluating Equations
6-9
To clear a saved equation:
Scroll the equation list up or down until the desired equation is in line 2 of the
display, and then press
.
To clear all saved equations:
In EQN mode, press
. Select
(). The menu is
displayed. Select
Ö
(Y)
.
Example:
Editing an Equation.
Remove 25 in the equation from the previous example.
Types of Equations
The HP 35s works with three types of equations:
Equalities. The equation contains an "=", and the left side contains more
than just a single variable. For example, x
2
+ y
2
= r
2
is an equality.
Assignments. The equation contains an "=", and the left side contains just
a single variable. For example, A = 0.5
× b × h is an assignment.
Keys:
Display:
Description:
Shows the current equation in the
equation list.
Ö
_
Activates cursor at the end of the
equation
_
Deletes the number 25.
Shows the end of edited equation
in the equation list.
Leaves Equation mode.