Casio PB-2000C Manual page 59

31 lrdry''.Eti.nffi
if (ætrditiotr)
|
I
ds
Sûr@t I
Strtmt 2
Ststdot
3
sltatÊtnot a
prclrrm 1o solvc qûrilrrtl€ cquaûons
Hæ Ë siu ctc
a pmglm rhat produc
trc æhÉi(E for tlæ follwinf
qu.&dh
cquatkn
at'+âr+c-O (E+O)
h lbc .bqrc cqu.tion, it is ascd
that a, â, rnd c arr ul numùa*
ThÉ rolutiil fomuLr b:
'b+r{E'î=G
'=-_û-
Akq
thc folldiûg i! thG disimiror rbicù dctmis thc lollclng cmlng
thc $lu-
riou
of rhc .bdc cqBtion:
D=tl-ec
D>0
-
tm difïcmt rql trumbqr
D=O - nultiDlc olutims
(sl
nubcrs)
D<0
-
trc difcml
imrliEry DumbcF
(ætrjugaæ
Mplq
numbcm)
h th pogm
[$Gd bdûr, tlE diFinimt b rÉd ln thc codftbn of a rddin
stridal,
with oæ opqdi@ bcirr
psfonrd
if D-0 ud uoth6
bciog psfcncd
?bm D<0.
5û