Casio V.P.A.M fx-991 Handmatig - Pagina 13

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EXAMPLE

OPERATION

READ-OUT

~ 1.234567891x 10-3

(= —0.001234567891)

17234567891

3 (4)

4/CORRECTIONS

If you notice an input mistake befor

metic operation key, simply press

and enter it again.

ou pre

to clea

You can also use the (F} key to bacKeiice 'through an

entered value until you reach the digit you wish to

change and then make any necessary eye

For

example:

cae?

To change 123 to 124

123

123.

(>)

12.

124.

of 7

5/ OVERFLOW OR ERROR: CHECK:

An overflow or error is indicated and furthe A calcula-

tion becomes impossible' wheén'the 'symbol

accumulated

total in the memory

re than

is +(9:999999999 x 10%): qeeAbelgneappearsine

rwithtag

Sign F

b) When function calculations 'are: perform

value exceeding

the input range ("— -"

appears). :

—23+..

~1.234567891

~ 1,.234567891 , 0

— 1.234567891 =

S an arith-

the value

an: Les "9 or ;

''-C-"" appears on the display. Anoverflow: or 'etror }

occurs when any of the following conditions. exits; 4

a) When a! tesult -(Whethdr. intermediate or final) or{

Po PPR

Hi SPA

meiner

c) When

an unreasonable operation (such as an at-

tempt to calculate x and on while n=0) is per-

formed during statistical calculations ("-E-" sign

appears).

d) When a mathematically illegal operation (such as

division by zero: 6=0)-is performed ("-E-" sign

appears).

e) When the ra

used in the B

sign appears).

f} When the capacity of the numeric stack or com-

mand stack is exceeded :(""—C —'' sign appears).

ae esas.

fe} 17 times and then executing

Hit for any of the number systems

E-N Mode are exceeded.

("'-E-"'

To lanes these overflow checks:

Sots

a), b), ch, 'd), e) Press: the GB key...

ss'

aT?

tes. ..s... Press the

key.,Or press the

ey.

and the intermediate result just before

the overflow occurs is displayed and

the subsequent calculation is possible:

"If, the. result js. within the . Fange , of +({1x10-™} to

—9§), ani error, does not-occur. instead, the

"display, sl hows all. zeros. SNbrioy OR en

Memory, 'protection:;.; seng ant

wis cs

ror and the accumulated:total

can be secailed buipeean:

ing'the (mm) key after the: overflow check is cleared by

the' & key:

Bae oe aoe

Nagnogthy

Before'assu ming 'malfuriction:: 22!33 oryuesd *

Ifthe vialculator starts to produce 'Strangeor.onexpact-

edNéSisits,or if(YoUr Calculations' produce

may be in the:w

nodé:;Use-the following proce-

| dufitdyer the calcttator back-to the itsdnitial mode

settingsic 13

s2e% aa locker ah COMP hhal 4

Ret

'the' DEG Modesi 4°

2S pecify. NORM tractw °

heraa ene

ged