Sharp EL9600C - Graphing Calculator Handbook page 8

Step & Key Operation
(When using EL-9600)
*Use either pen touch or cursor to operate.
2
2
- View the graphs.
GRAPH
The Graphing Calculators can be used to draw parallel or perpendicular
lines while learning the slope or y-intercept of linear equations.
1-2
EL-9600/9400 Graphing Calculator
Display
(When using EL-9600)
These lines have slopes that
are negative reciprocals of
each other (m = - ). They are
called perpendicular. Note that
these intersecting lines form
four equal angles.
Notes
1
m