Sharp PC-1403 - Page 38

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• If a decimal numbe r ha vi n g a fra ctional p art i s co n v e rt ed
into a he x number , the f ra c t ion a l part o f t h e de ci mal
n u m ber i s truncated and o nly it s i nt e ger pa rt i s c on ve rt e d
i n t o a hex number .
An s w e r :
78 . HEXI
• I f y ou attempt dec i mal -to-hex conv e r s i o n on a n e g ativ e decimal
number , t he comp u ter i nternall y p e rf o rm s " two's comp l ement"
c al c ulation and show s th e resu l t in 16 's co mpl e ment.
• Th e r±El key may be used to reve r se t he p ositive or neg ative si gn
o f the n u me r ic data now in th e d is pl a y. I f t h e sign of a pos itive hex
number is reversed, the complement of t h e po s iti v e n u mber w ill be
obta i ned i n t he display .
E xamp l e : C o nvert de c imal number 1 23 .4 into its he x ade c imal eq u i v alent.
Key i n : I sH 1 nl ~ 12 3 .4 ~
Ans wer :
FFFFFFFFFE. HEX!
E x amp l e : Convert de ci mal num b er - 2, into its h ex ad ec i m a l e q u i v al en t.
Tempo r ar i l y clear the HE X mode with ~ I sH1FT I ~ .
Ke y i n : [TI fill ~
To perf o rm a new conver s ion, temp o r a ril y c l ea r t he HE X mo de w i th
l s H 1 FT I ~.
1E . HEX
Key in : 30 ~ Answe r :
To c l e ar t he H ex m ode , o p e r a t e I sH1FTI ~ . Yo u ca nn o t c l ea r it w i th t he ~ ke y .
1. Decimal to hex convers i on
E x ample : Con v ert de c im a l numbe r 30 i n t o its h ex a de c i m a l equ iva l en t:
H e x nu m bers A throu gh F c an be entered by first placin g you r c o mput e r in t h e He x mode
(with ~ key ) , then pr es s i ng the respective ke y s shown in fi g ur e.
The symbol HE X ind i c a t es that the numeric
data s hown i n the d isplay i s a hex numbe r ,
a n d t hat you can perform an y b as i c arithmetic
o per a ti on s o n h ex numbers .
Using as a Calculator