Casio FX-82AU PLUS Calculator User Manual


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27
Using the memories
Remember!
Youmustclearthememorybeforeyouplaceanythinginthememory.Ifyouforgetto
clearthememorythecalculatorwilladdthenewvaluetothevaluethatisalreadyinthe
memory.Theinstructionsforclearingthememoryareonpage16.
1 Inwhichofthefollowingcalculatorsisanumberstoredinthememory?
or
2 Clearthememoryonyourcalculatorandplacethevalueof pinthememory.Use
theJmpbuttonstodeterminethevalueofthefollowingexpressions.
Expresseachanswercorrectto2decimalplaces.
A 2+ p B 2p C 12 - p D p ¸2 E2 ´ p ´4.3
2
3 Storetheresultofthecalculation3+8.1inthememory,thendeterminethevalue
ofeachexpression.
A (3+8.1) ´4.5 B 12.7+3+8.1 C (3+8.1) ¸4.3
Hint!Ifyouarenotgettingtheanswersatthebottomofthepage,youmaynot
haveclearedthememoryproperlybeforeyoustarted.
4 InAustraliaa10%GSTisaddedtopricestodeterminethefinalsellingprice.
Increasinganamountby10%isthesameasmultiplyingtheamountby1.1.Place
1.1inthecalculator’smemorythendeterminethefinalpriceofeachitem.
A $32book B $3.20icecream C$20haircut
D $260camera D $33000car
5 IfyouwanttodeterminetheamountofGSTincludedinaprice,dividetheprice
by11. UsethecalculatormemorytodeterminetheamountofGSTineachprice.
A $132pairofjeans B $38.50movieticket
C $5.72busticket D $11.55takeawaylunch
Answers
1 Therighthandscreenhasavaluestoredinthememory.
2 A 5.14 B 6.28 C 8.86 D 1.57 E 116.18
3 A 49.95 B 23.8 C 2.85to2decimalplaces
4 A $35.20 B $3.52 C $22 D $286 E $36300
5 A $12 B $3.50 C 52c D $1.05
©SueThomsonandShriroAustralia PTYLimited.Thispagemaybephotocopiedforclassroomuse.
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