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Setup-plot, More examples – HP 38g Graphing Calculator User Manual

Page 92

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More Examples

Function
Example

Plot the circle, = 13. Rearrange the equation to

y =

.

This must be entered as two expressions,

y = ^(l3-x') and y =

.

I

LIB

I

Se/ect

Function

SYMB

[^[D 13 □

{{X}}

[x3 2Q]

I

ENTER

I

EU [S 0 13 □ {{X}} [13

2Q] I

ENTER

I

■ [SETUP-PLOT]

(Check that the Plot settings

are the defaults—if not, press

■ [CLEAR] .J

PLOT

IFUNCTIDN SVMeaUC MIEH

<^Flra3-X'*'2>

>/F2CX>=-Ta3-X''2>

F4CX>=

F5=

w

FUNCTION PLOT SETUP

KRNG:

■ 6.5

VRNG: -3. 1

3.2

¡¡TICK: 1

VTICK: 1

RES:

Faster

ENTER MINIMUM HURIZDNTRL VALUE

\

H: 0 FiiX

/

): 3.S0SSS1 li!M!ll|

The calculator plots the two expressions of the conic plot
separately, sometimes producing a discontinuity in the graph.

Specify a finer resolution to minimize these discontinuities.

(The gaps are due to the sampling interval.)

■ [SETUP-PLOT]

ESS {{cHoos}}

Select

Mor&

Detail

FUNCTIPN FLOT SETUP

!if!NG" ”6« 5

6*5

VRNa: -3.1

3.2

KTICK: 1

VTICK: 1

RES: legUCTM

CHUaSE PLOT RESULUTIDN

3-28 Plotting and Exploring Functions