HP 49g+ User manual

Preface Page vii
Advanced topics
Preface
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Material covered
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NH\ERDUGDQGKRZWRFUHDWHPHQXV

Page viii Preface
Advanced topics
&KDSWHU&RPSXWHUDOJHEUDFRPPDQGVGHVFULEHVHDFKRIWKH
FRPSXWHUDOJHEUDFRPPDQGVWKDWWKHFDOFXODWRUFRQWDLQVDQGZKDW
HDFKFRPPDQGGRHV
The HP 49G documentation set
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IURPWKHZHEVLWH
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2WKHU&RPPDQGV*WR3DYDLODEOHIURPWKHZHEVLWH
2WKHU&RPPDQGV4WR=DYDLODEOHIURPWKHZHEVLWH
NOTICE
7KLVPDQXDODQGDQ\H[DPSOHVFRQWDLQHGKHUHLQDUHSURYLGHGDVLVDQGDUHVXEMHFWWRFKDQJH
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Entering commands Page 1-1
Advanced topics
Chapter 1
Entering commands
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 E\SUHVVLQJWKHNH\RUNH\VIRUWKHFRPPDQG
 E\VHOHFWLQJWKHFRPPDQGIURPDVXEMHFWVSHFLILFPHQX
 E\VHOHFWLQJWKHFRPPDQGIURPWKHFRPPDQGFDWDORJ
 E\W\SLQJWKHFRPPDQGRQWKHFRPPDQGOLQH
Keyboard entry
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NH\ERDUGE\SUHVVLQJRQHRUWZRNH\V)RUH[DPSOHWRHQWHUWKH6,1
FRPPDQGSUHVVWKHsNH\WRHQWHUWKH/2*FRPPDQGSUHVV>ý
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+3 *NH\ERDUG
Subject-specific menus
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UHOHYDQWWRDVSHFLILFWRSLF
)RUH[DPSOHDOOWKHSURJUDPPLQJFRPPDQGVDUHFROOHFWHGWRJHWKHURQ
WKHSURJUDPPLQJPHQX<RXDFFHVVWKLVPHQXE\SUHVVLQJ<N
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 VWDWLVWLFVPHQX>÷
 FRQYHUWPHQX<^

Page 1-2 Entering commands
Advanced topics
 XQLWVPHQX>ø
 DULWKPHWLFPHQX<!
 FRPSOH[QXPEHUPHQX>ó
 EDVHPHQX>ì
7KHVHVXEMHFWVSHFLILFPHQXVKDYHNH\VDOORFDWHGWRWKHPRQWKH
NH\ERDUG
7KHUHDUHPDQ\RWKHUVXEMHFWVSHFLILFPHQXV)RUH[DPSOHWKHPDWK
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VHOHFWHGIURPWKH$SSOLFDWLRQVPHQX
 3UHVVg
7KH$SSOLFDWLRQVPHQXLVGLVSOD\HG
 3UHVV[
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0$7+ RU &$6 ¦DQGSUHVV 2. RU\
%RWKPHQXVDUHPDGHXSRIVHYHUDOVXEPHQXVHDFKOLVWLQJWKH
FRPPDQGVRIUHOHYDQFHWRDSDUWLFXODUDUHDRIPDWKHPDWLFV
7KHV\PEROLFPHQXGLVSOD\HGE\SUHVVLQJpSURYLGHVDVHULHVRIVXE
PHQXVHDFKOLVWLQJWKHPRUHFRPPRQO\XVHGFRPPDQGVRIUHOHYDQFHWRD
SDUWLFXODUDUHDRIPDWKHPDWLFVDOJHEUDDULWKPHWLFFDOFXOXVDQGVRRQ
Sub-menus
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DUHVKRUWFXWVWRVXEPHQXV)RUH[DPSOH
SUHVVLQJ<PGLVSOD\VWKH
0$7+ PHQX
7KHILUVWLWHPRQWKH
0$7+ PHQXLV 9(&725 
7KHWZRSHULRGVDIWHUWKHZRUG§
9(&725 ¨
LQGLFDWHVWKDWWKHUHLVDIXUWKHUPHQX7KLV
IXUWKHUPHQXOLVWVFRPPDQGVRIUHOHYDQFHWRYHFWRUPDWKHPDWLFVVXFKDV
$%6  '27  &5266 HWF

Entering commands Page 1-3
Advanced topics
Entering a command from a sub-menu
 :LWKWKHPDLQPHQXGLVSOD\HGKLJKOLJKWWKHQDPHRIWKHVXEPHQX
<RXFDQGRWKLVE\
 SUHVVLQJ]XQWLOWKHVXEPHQXQDPHLVKLJKOLJKWHGRU
 SUHVVLQJWKHQXPEHUNH\WKDWFRUUHVSRQGVWRWKHQXPEHURIWKH
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5($/ VXEPHQXLQWKH
DERYHH[DPSOH\RXFRXOGSUHVV
 3UHVV
2. RU\
7KHVXEPHQXLVGLVSOD\HG
 +LJKOLJKWWKHQDPHRIWKHFRPPDQG\RXZDQWWRHQWHU
<RXFDQGRWKLVE\
 SUHVVLQJ]XQWLOWKHFRPPDQGQDPHLVKLJKOLJKWHGRU
 SUHVVLQJWKHQXPEHUNH\WKDWFRUUHVSRQGVWRWKHQXPEHURIWKH
FRPPDQG
 3UHVV
2. RU\
,I\RXDUHZRUNLQJLQDOJHEUDLFPRGHWKHFRPPDQG\RXVHOHFWHGDSSHDUV
RQWKHFRPPDQGOLQHUHDG\IRU\RXWRVSHFLI\DUJXPHQWV
,I\RXDUHZRUNLQJLQ531PRGHWKHUHVXOWRIWKHFRPPDQGDSSHDUVRQ
WKHVWDFN
Entering a command from a function key menu
$VXEMHFWVSHFLILFPHQXFDQWDNHWKHIRUPRIDFKRRVHOLVWDVGHVFULEHGLQ
WKHSUHYLRXVVHFWLRQRUDIXQFWLRQNH\PHQX$IXQFWLRQNH\PHQXLVRQH
WKDWDSSHDUVDFURVVWKHERWWRPRIWKHVFUHHQZLWKLWHPVFKRVHQIURPWKH
PHQXE\SUHVVLQJWKHFRUUHVSRQGLQJIXQFWLRQNH\aWRf7KLVLV
H[SODLQHGLQFKDSWHURIWKH8VHUªV*XLGH

Page 1-4 Entering commands
Advanced topics
Command catalog
7KH+3 *SURYLGHVDVLQJOHFKRRVHOLVWWKDWFRQWDLQVDOOLWVFRPPDQGV
7KLVLVFDOOHGWKHFRPPDQGFDWDORJ
Displaying the command catalog
 3UHVVN
$FKRRVHOLVWLVGLVSOD\HG7KLVLVWKH
FRPPDQGFDWDORJ
 /RFDWHWKHFRPPDQGWKDW\RXZDQWWR
HQWHU6HHWKHQH[WVHFWLRQ
 3UHVV
2. RU \
,I\RXDUHZRUNLQJLQDOJHEUDLFPRGHWKHFRPPDQG\RXVHOHFWHG
DSSHDUVRQWKHFRPPDQGOLQHUHDG\IRU\RXWRVSHFLI\DUJXPHQWV
,I\RXDUHZRUNLQJLQ531PRGHWKHUHVXOWRIWKHFRPPDQGDSSHDUVRQ
WKHVWDFN
Locating a command in the command catalog
7KHUHDUHWZRZD\VWRORFDWHDFRPPDQGLQWKHFRPPDQGFDWDORJ
 E\VFUROOLQJ
 E\VHDUFKLQJRQWKHILUVWFKDUDFWHURUILUVWIHZFKDUDFWHUVRIWKH
FRPPDQG
Scrolling through the catalog
7RVFUROOWKURXJKWKHFRPPDQGFDWDORJSUHVVWKH ]RU[NH\V.HHS
GRLQJVRXQWLOWKHFRPPDQG\RXZDQWLVKLJKOLJKWHG
<RXFDQXVHWKHVKLIWNH\VLQFRQMXQFWLRQZLWKWKHDUURZNH\VWRVFUROO
PRUHTXLFNO\WKURXJKWKHFDWDORJ)RUH[DPSOH
>GLVSOD\VWKHODVWFRPPDQGLQWKHFDWDORJ
>GLVSOD\VWKHILUVWFRPPDQG
>GLVSOD\VWKHQH[WSDJHRIFRPPDQGV
>GLVSOD\VWKHSUHYLRXVSDJHRIFRPPDQGV
7KHQXPEHURIFRPPDQGVGLVSOD\HGSHUSDJHLVGHWHUPLQHGE\IODJ¥
:KHQVHW¦ZKLFKLVWKHGHIDXOW¦WKHFRPPDQGVDUHGLVSOD\HGLQWKHPLQL
IRQW7KLVJLYHV\RXVL[FRPPDQGVSHUSDJH,IIODJ¥LVFOHDUHGWKH

Entering commands Page 1-5
Advanced topics
FRPPDQGVDUHGLVSOD\HGLQ\RXUFXUUHQWO\VHOHFWHGV\VWHPIRQW,IIRU
H[DPSOH\RXKDYHFKRVHQ6\VWHPDV\RXUFXUUHQWV\VWHPIRQW\RXZLOO
VHHRQO\IRXUFRPPDQGVSHUSDJH
Searching for a command in the command catalog
7KHPDMRULW\RIFRPPDQGVFDQEHVHOHFWHGIURPWKHFRPPDQGFDWDORJE\
VHDUFKLQJRQWKHILUVWFKDUDFWHURIWKHFRPPDQGªVQDPH
 3UHVVWKHNH\VIRUWKHILUVWFKDUDFWHU¦RUILUVWIHZFKDUDFWHUV¦RIWKH
FRPPDQGªVQDPH
)RUH[DPSOHWRILQGWKH+$/)7$1FRPPDQGW\SH` +RU
`` +$
7KHILUVWFRPPDQGZLWKDQDPHVWDUWLQJZLWKWKHOHWWHURUOHWWHUV\RX
W\SHGZLOOEHKLJKOLJKWHG
 ,IWKHFRPPDQG\RXZDQWLVQRWKLJKOLJKWHGSUHVV ]XQWLOWKH
FRPPDQGLVKLJKOLJKWHG
1RWHWKDWWKHILUVWFKDUDFWHURIDFRPPDQGªVQDPHPD\EH
 DQXSSHUFDVHFKDUDFWHUIRUH[DPSOH6,1
 DORZHUFDVHFKDUDFWHUIRUH[DPSOHUUHIRU
 DV\PEROIRUH[DPSOH→7$*
7KHW\SHRIWKHILUVWFKDUDFWHUGHWHUPLQHVWKHEHVWZD\WRVHDUFKIRUWKH
FRPPDQG
Upper case: LIWKHFRPPDQG\RXZDQWWRILQGEHJLQVZLWKDQXSSHUFDVH
OHWWHU\RXPXVWSUHVV`EHIRUHSUHVVLQJWKHNH\IRUWKDWOHWWHU,I\RX
LQWHQGWRVHDUFKE\W\SLQJWKHILUVWIHZFKDUDFWHUVRIWKHFRPPDQGQDPH
\RXZLOOQHHGHLWKHUWR
 KROGWKH`NH\GRZQZKLOH\RXNH\DOOWKHFKDUDFWHUVRU
 ORFNWKHDOSKDNH\ERDUGEHIRUH\RXW\SHWKHFKDUDFWHUV
Lower case: LIWKHFRPPDQG\RXZDQWWRILQGEHJLQVZLWKDORZHUFDVH
OHWWHU\RXPXVWSUHVV `< EHIRUHSUHVVLQJWKHNH\IRUWKDWOHWWHU)RU
H[DPSOHSUHVVLQJ`< 5GLVSOD\VWKHUSPFRPPDQG
Non-alphabetic characters: LIWKHFRPPDQG\RXZDQWWRILQGEHJLQVZLWKD
QRQDOSKDEHWLFFKDUDFWHUSUHVVWKHNH\VIRUWKDWFKDUDFWHU)RUH[DPSOH
WRVHDUFKIRU→7$*W\SH>)7KHILUVWFRPPDQGZLWKDQDPHWKDW
VWDUWVZLWK→ LVGLVSOD\HG,QWKLVH[DPSOH\RXQHHGWRSUHVV ]XQWLO
→7$*LVKLJKOLJKWHG

Page 1-6 Entering commands
Advanced topics
:KLOHWKHDOSKDNH\ERDUGLVDFWLYH\RXFDQDOVRVHDUFKIRUDFRPPDQG
WKDWEHJLQVZLWKDVSHFLDOFKDUDFWHUE\W\SLQJWKDWFKDUDFWHUDQGWKHQRQH
RUPRUHRIWKHQH[WDOSKDEHWLFDOFKDUDFWHUV
7KHNH\VWURNHVIRUQRQDOSKDEHWLFFKDUDFWHUVFDQEHIRXQGLQWKH
&KDUDFWHUVFDWDORJ)RUH[DPSOHWKHNH\VWURNHVIRUΣDUH >DQG6
7KHUHIRUHWRVHDUFKIRUWKHΣFRPPDQGLQWKHFRPPDQGFDWDORJ\RX
GLVSOD\WKHFDWDORJDQGSUHVV>6
7KH&KDUDFWHUVFDWDORJ¦DFFHVVHGE\SUHVVLQJ>ô¦LVH[SODLQHGLQ
FKDSWHURIWKH8VHUªV*XLGH
1RWHWKDW\RXFDQLPSRUWDGGLWLRQDOFRPPDQGVIURPWKLUGSDUW\
FRPPDQGOLEUDULHV:KHQDOLEUDU\LVDWWDFKHGWKHFRPPDQGVLQWKH
OLEUDU\ZLOODSSHDULQWKHFRPPDQGFDWDORJ,IDQ\VXFKFRPPDQGEHJLQV
ZLWKDFKDUDFWHUWKDWLVQRWDYDLODEOHGLUHFWO\IURPWKH+3 *NH\ERDUG
\RXZLOOQRWEHDEOHWRVHDUFKIRUWKHFRPPDQG
Typing commands
,QDGGLWLRQWRVHOHFWLQJDFRPPDQGIURPWKHFRPPDQGFDWDORJRUIURPD
PHQX\RXFDQDOVRHQWHUDFRPPDQGE\W\SLQJLWVQDPHRQWKHFRPPDQG
OLQH
)RUH[DPSOHWRIDFWRUL]HDQH[SUHVVLRQZKLOHLQDOJHEUDLFPRGH\RX
FRXOG
 W\SH``)$&725<_
 HQWHUWKHH[SUHVVLRQ
 SUHVV\
7RIDFWRUL]HDQH[SUHVVLRQZKLOHLQ531PRGH\RXFRXOG
 HQWHUWKHH[SUHVVLRQRQWROHYHORIWKHVWDFN
 W\SH``)$&725
 SUHVV\
(YHU\FRPPDQGIRXQGLQWKHFRPPDQGFDWDORJFDQEHHQWHUHGGLUHFWO\
IURPWKHNH\ERDUG
6RPHFRPPDQGQDPHVFRQWDLQVSHFLDOFKDUDFWHUVIRUH[DPSOH→DQG
Σ7KH&KDUDFWHUVFDWDORJ¦DFFHVVHGE\SUHVVLQJ>ô DQG H[SODLQHG
LQFKDSWHURIWKH8VHUªV*XLGH¦VKRZVWKHNH\VWURNHVQHHGHGWRHQWHU
VSHFLDOFKDUDFWHUV

System flags Page 2-1
Advanced topics
Chapter 2
System flags
6\VWHPIODJVSURYLGH\RXZLWKVRPHFRQWURORYHUKRZWKH+3 *EHKDYHV
DQGGLVSOD\VLQIRUPDWLRQ)RUH[DPSOHE\VHWWLQJIODJ¥\RXFDQORFN
WKHDOSKDNH\ERDUGE\SUHVVLQJ`RQFHUDWKHUWKDQWZLFH&OHDULQJIODJ
¥UHWXUQVWKHPRGHWRLWVGHIDXOWVHWWLQJZKHUH`PXVWEHSUHVVHG
WZLFHWRORFNWKHDOSKDNH\ERDUG
Displaying system flags
 3UHVVhWRGLVSOD\WKH&DOFXODWRU
0RGHVLQSXWIRUP
 3UHVV
)/$*6 
7KH6\VWHP)ODJVOLVWLVGLVSOD\HG$WLFN
WRWKHOHIWRIDIODJQXPEHULQGLFDWHVWKDWWKHIODJLVVHW,IWKHVSDFHWR
WKHOHIWRIDIODJQXPEHULVHPSW\WKHIODJLVFOHDU)URPWKLVVFUHHQ
\RXFDQVHWRUFOHDUDQ\IODJLQWKHOLVW
7KH6\VWHP)ODJVOLVWLVQRWDOLVWRIDOOWKHV\VWHPIODJV$VDJHQHUDOUXOH
IODJVWKDWDUHOLNHO\WREHFKDQJHGRIWHQFDQEHVHWRUFOHDUHGRQYDULRXV
LQSXWIRUPVZKHUHWKH\DUHPRUHUHDGLO\DFFHVVLEOH)ODJVWKDWZLOOUDUHO\
EHFKDQJHGDUHOLVWHGLQWKH6\VWHP)ODJVOLVW
)RUH[DPSOHIODJ¥GHWHUPLQHVZKHWKHUWKHFDOFXODWRULVLQDOJHEUDLFRU
531PRGH$VWKLVLVDIODJWKDWPDQ\XVHUVDUHOLNHO\WRZDQWWRFKDQJH
IURPWLPHWRWLPHLWLVDFFHVVLEOHIURPDQLQSXWIRUPWKH&DOFXODWRU
0RGHVLQSXWIRUPGHVFULEHGLQFKDSWHURIWKH8VHUªV*XLGH%HFDXVHLW
LVDFFHVVLEOHIURPDQLQSXWIRUPIODJ¥LVQRWOLVWHGLQWKH6\VWHP)ODJV
OLVW7KHUHDUHVRPHH[FHSWLRQVWRWKLVJHQHUDOUXOHZLWKVRPHIODJV
DFFHVVLEOHERWKIURPDQLQSXWIRUPDQGIURPWKH6\VWHP)ODJVOLVW
$OOWKHV\VWHPIODJV¦QRWMXVWWKRVHRQWKH6\VWHP)ODJVOLVW¦DUHOLVWHG
DQGGHVFULEHGLQWKH+3 *3RFNHW*XLGH

Page 2-2 System flags
Advanced topics
Setting and clearing flags
Method 1
8VHWKLVPHWKRGRQO\LIWKHIODJ\RXZDQWWRFKDQJHLVOLVWHGLQWKH6\VWHP
)ODJVOLVW
 :LWKWKH6\VWHP)ODJVOLVWGLVSOD\HGKLJKOLJKWWKHIODJWKDW\RXZDQWWR
VHWRUFOHDU
<RXFDQGRWKLVE\HLWKHU
 SUHVVLQJWKH]RU[NH\VXQWLOWKHIODJ\RXZDQWLVKLJKOLJKWHGRU
 W\SLQJWKHILUVWGLJLWRIWKHQXPEHURIWKHIODJ
6HHWKHSUHYLRXVVHFWLRQIRULQVWUXFWLRQVRQGLVSOD\LQJWKHIODJV
 3UHVV
&+. 
,IWKHIODJZDVVHWEHIRUHLWLVFOHDUHGLILWZDVFOHDUEHIRUHLWLVQRZ
VHW
 3UHVV
2. RU\WRUHWXUQWRWKH&DOFXODWRU0RGHVVFUHHQDQG 2. RU
\ DJDLQWRUHWXUQWR\RXUGHIDXOWVFUHHQ
Method 2
,I\RXNQRZWKHQXPEHURIWKHV\VWHPIODJ\RXZDQWWRFKDQJH\RXFDQ
FKDQJHWKHIODJIURPWKHFRPPDQGOLQH7KHV\QWD[\RXXVHGHSHQGVRQ
WKHRSHUDWLQJPRGH\RXKDYHFKRVHQDOJHEUDLFRU531
,QDOJHEUDLFPRGHWKHV\QWD[LV
FRPPDQGIODJ
,Q531PRGHHQWHUWKHIODJRQWKHILUVWOHYHORIWKHVWDFNDQGWKHQHQWHU
WKHDSSURSULDWHFRPPDQG7KHFRPPDQGIRUVHWWLQJDIODJLV6)DQGWKH
FRPPDQGIRUFOHDULQJDIODJLV&)7KHIODJFRPPDQGVDUHGHVFULEHGRQ
SDJH 
)RUH[DPSOHWRVHWIODJ¥LQDOJHEUDLFPRGH\RXHQWHU6)¥DQG
SUHVV\,Q531PRGH\RXHQWHU¥RQWROHYHORIWKHVWDFNHQWHU6)
RQWRWKHFRPPDQGOLQHDQGSUHVV\
6LPLODUO\WRFOHDUIODJ¥LQDOJHEUDLFPRGH\RXHQWHU&)¥DQGSUHVV
\,Q531PRGH\RXHQWHU¥RQWROHYHORIWKHVWDFNHQWHU&)RQWR
WKHFRPPDQGOLQHDQGSUHVV\
<RXFDQXVHWKLVPHWKRGWRVHWDQGFOHDUDOOIODJVQRWMXVWWKRVHOLVWHGRQ
WKH6\VWHP)ODJVOLVW