Ativa PET1030 User Manual

Before Starting Calculations  
If after making corrections, input of the formula is  
complete, the answer can be obtained by pressing [ = ]. If,  
however, more is to be added to the formula, advance the  
cursor using the [4] key to the end of the formula for  
input.  
To clear memory contents, press [0] [STO] [M].  
Display  
(Lower)  
Ans   
Example  
The stored 10-digit  
Operation  
[]  
Operation Modes  
Addition/subtraction to or from sum in memory cannot  
be carried out with [M+], [SHIFT] [M–] keys in "SD" mode  
and "REG" mode.  
When using this calculator, it is necessary to select the  
proper mode to meet your requirements. This can be done  
by pressing [MODE] to scroll through sub-menus. Then  
select the appropriate mode by keying in the number.  
result (28.571421857) is  
used when you continue  
the calculation by simply  
pressing [] or any other  
arithmetic function key.  
(upper display)  
If an unnecessary character has been included in  
a
Difference between [STO][M] and [M+], [SHIFT][M–] :-  
Both [STO] [M] and [M+], [SHIFT] [M–] can be used to  
input results into memory, however when the [STO] [M]  
operation is used, previous memory contents are cleared.  
When either [M+] or [SHIFT] [M–] is used, value is added  
or subtracted to or from present sum in memory.  
formula, use the [3] and [4] keys to move to the  
position of the error and press the "DEL" key. Each press  
of "DEL" will delete one command ( one step ).  
14 [=]  
400.000  
400.  
Press [MODE] once to read the first page of the main  
(The final result is  
automatically rounded to  
the specified three  
decimal places.)  
menu.  
COMP SD REG  
1
Example: To correct an input of 369   2 to 369 2 :-  
2
3
AT-30i  
369[][]2  
369xx2_  
Press [MODE] again.  
Deg Rad Gra  
0.  
Example: Input 456 into memory "M" using [STO] [M]  
procedure. Memory already contains value of 123.  
Cancel specification by  
specifying "Norm" again.  
[MODE][MODE][MODE][3][1]  
D
[3][3][DEL]  
[ON/AC] [1] [2] [3] [STO] [M]  
1
2
3
M=  
369x2  
123.  
0.  
M
D
D
Rounding the Intermediate Result  
As the number of decimal places is specified, the  
intermediate result will be automatically rounded to the  
Press [MODE] further.  
Fix Sci Norm  
If a character has been omitted from a formula, use the  
[3] and [4] key to move to the position where the  
character should have been input, and press [SHIFT]  
followed by [INS] key. Each press of [SHIFT] [INS] will  
create a space for input of one command.  
[ON/AC] [4] [5] [6] [STO] [M]  
[ON/AC]  
M=  
_
M
M
M
456.  
1
2
3
2-lines display  
Scientific Calculator  
D
specified decimal places.  
However, the stored  
intermediate result is not rounded. In order to match the  
displayed value and the stored value, [SHIFT] [Rnd] can  
be input.  
Press "MODE" once more to leave the menu.  
0.  
_
D
0.  
Example: To correct an input of 2.362 to sin 2.362 :-  
[RCL] [M]  
M=  
Calculation Modes  
"COMP" mode : - general calculations, including function  
calculations can be executed.  
"SD" mode:- standard deviation calculation can be  
executed. "SD" symbol appears in display.  
"REG" mode:- regression calculations can be performed.  
"REG" symbol appears in display.  
2[•]36[x2]  
You can compare the final result obtained in the previous  
example with the final result of the following example.  
456.  
2.362_  
D
0.  
0.  
0.  
0.  
D
with advance  
statistical functions  
Example: Input 456 into memory "M" using M+. Memory  
already contains value of 123.  
Display  
(Lower)  
2.362  
[3][3][3][3][3]  
[SHIFT][INS]  
[sin]  
Example  
Operation  
[ON/AC] [1] [2] [3] [STO] [M]  
[ON/AC] [4] [5] [6] [M+]  
[ON/AC]  
M=  
D
200714 = 400  
rounded to 3 decimal  
places  
200[]7 [] 14[=]  
400.  
123.  
M
D
[MODE][MODE][MODE][1][3]  
400.000  
28.571  
.362  
456  
M
D
200[]7 [=]  
456.  
Angular Measurement Modes  
"DEG" mode:- specify measurement in "degrees". "D"  
symbol appears in display window.  
"RAD" mode:- specify measurement in "radians". "R"  
symbol appears in display window.  
"GRA" mode:- specify measurement in "grads". "G"  
symbol appears in display window.  
D
The intermediate result is  
automatically rounded  
to the specified three  
decimal places.  
sin .362  
_
D
0.  
M
D
When [SHIFT] [INS] are pressed, the space that is opened  
is displayed as " ". The function or value assigned to the  
next key you press will be inserted in the . To exit from  
the insertion mode, move the cursors, or press [SHIFT]  
[INS] , or press [=].  
round the stored  
intermediate result to  
the specified three  
decimal places  
[SHIFT] [Rnd]  
28.571  
[RCL] [M]  
M=  
579.  
M
D
Display Modes  
"FIX" mode:- specify number of decimal places. "Fix"  
symbol appears in display window.  
"SCI" mode:- specify number of significant digits. "Sci"  
symbol appears in display window.  
[]  
Ans   
(upper display)  
399.994  
Even after the [=] key has been pressed to calculate a  
result, it is possible to use this procedure for correction.  
Press the [3] key to move the cursor to the place where  
the correction is to be made.  
14 [=]  
Cancel specification by  
specifying "Norm" again.  
[MODE][MODE][MODE][3][1]  
399.994  
Please read before using.  
– 4 –  
– 8 –  
– 12 –  
– 16 –  
Arithmetic Operations & Parenthesis Calculations  
• Arithmetic operations are performed by pressing the  
keys in the same order as noted in the formula.  
• For negative values, press [(-)] before entering the value  
• For mixed basic arithmetic operations, multiplication and  
division are given priority over addition and subtraction  
• Assuming that display mode "Norm 1" is selected.  
Safety Precautions  
"NORM" mode:- cancels "Fix" and "Sci" specifications.  
Special Functions  
Answer Function  
This unit has an answer function that stores the result of  
the most recent calculation. Once a numeric value or  
numeric expression is entered and [=] is pressed, the  
result is stored by this function.  
Specifying the Number of Significant Digits  
This specification is used to automatically round  
intermediate results and final results to the number of  
digits you have specified.  
Be sure to read the following safety precautions before  
using this calculator. Keep this manual handy for later  
reference.  
Note:-  
• Mode indicators appear in the lower part of the display.  
• The "COMP", "SD", and "REG" modes can be used in  
combination with the angle unit modes.  
• Be sure to check the current calculation mode (COMP, SD,  
REG) and angle unit mode (DEG, RAD, GRA) before  
beginning a calculation.  
Batteries  
As with the number of decimal places, displayed results  
are rounded to the specified number of digits, but stored  
results are normally not rounded.  
• After removing the batteries from the calculator, put  
them in a safe place where there is no danger of them  
getting into the hands of small children and accidently  
swallowed.  
• Keep batteries out of the reach of children. If accidentally  
swallowed, consult with a physician immediately.  
• Never charge batteries, try to take batteries apart, or  
allow batteries to become shorted. Never expose  
batteries to direct heat or dispose of them by  
incineration.  
To recall the stored value, press the [Ans] [=] key. When  
[Ans] is pressed, "Ans" will appear on the display, and the  
value can be used in subsequent calculations.  
Display  
To specify the number of significant digits (Sci.), select  
[SCI] in the sub-menu "FIX/SCI/NORM" and then you are  
asked to enter a value indicating the number of significant  
digits (0~9) as below.  
Example  
Operation  
(Lower)  
Calculation Priority Sequence  
Calculations are performed in the following order of  
precedence:-  
1. Coordinate transformation: Pol(x, y),Rec(r, )  
2.Type A functions :-  
23 + 4.5 –53 =–25.5  
23 [] 4.5 [] 53 [=]  
–25.5  
56(–12)(–2.5)=268.8 56[][(–)]12[][(–)]2.5[=]  
268.8  
Example: 123456 = 579  
12369753274103= 12369[] 7532 []  
12  
12  
789579 = 210  
6.90368061310  
74103[=]  
6.903680613  
Sci 0~9?  
75  
(4.510 )(–2.3  
4.5[EXP]75 [] [(–)]2.3  
[EXP] [(–)]79 [=]  
[( ] 2 [] 3[ )][]  
10[x2] [=]  
–79  
–3  
–03  
These functions are those in which the value is entered  
and than the function key is pressed, such as x2, x–1, x!,  
[ON/AC][1][2][3][][4][5][6][=]  
10 ) = –1.03510  
–1.035  
123+456  
2
579.  
• Misuse of batteries can cause them to leak acid that can  
cause damage to nearby items and creates the  
possibility of fire and personal injury.  
Note : "0" indicating 10 significant digits.  
Meanwhile, the "Sci" indicator will appear on the display.  
(2+3)10 =500  
D
º
'''.  
500.  
14285.71429  
0.7142857  
x
y
5
3. Powers and roots, x , √  
4. Fractions, a /c  
[7][8][9][][Ans]  
(110 )7=  
1[EXP]5 [] 7 [=]  
789–Ans_  
Display  
b
579.  
Always make sure that  
a
battery's positive (+) and  
14285.71429  
5
D
Example  
Operation  
(Lower)  
negative (–) sides are facing correctly when you load it  
into the calculator.  
• Remove the batteries if you do not plan to use the  
calculator for a long time.  
• Use only the type of batteries specified for this calculator  
in this manual.  
• Do not mix old and new batteries. Do not mix alkaline,  
standard (carbon-zinc), or rechargeable (nickle cadmium)  
batteries.  
5. Abbreviated multiplication format in front of π, memory  
name or variable name, such as 2π, 5A, πA, etc.  
6.Type B functions :-  
These functions are those in which the function key is  
pressed and then the value is entered such as , 3, log,  
(110 )714285=  
1[EXP]5[]7 []  
1006 = 16.66666666 100[]6 [=]  
16.66666667  
[=]  
0.7142857  
14285 [=]  
789–Ans  
01  
specify 5 significant  
digits  
[
[
Mode][Mode][Mode][2][5]  
1.6667  
210.  
please note that internal calculation is calculated  
in 12 digits for a mantissa and the result is  
displayed and rounded off to 10 digits.  
D
Cancel specification by  
specifying "Norm" again.  
Mode][Mode][Mode][3][1]  
16.66666667  
Numeric values with 12 digits for a mantissa and 2 digits  
for an exponent can be stored in the "Ans" memory. The  
"Ans" memory is not erased even if the power of the unit  
is turned OFF. Each time [=] , [Shift] [%] , [M+] , [Shift] [M–] ,  
and [STO] (= A ~ F, M, X, Y ) is pressed, the value in the  
Ans memory is replaced with the new value produced by  
the calculation execution. When execution of  
calculation results in an error, however, the "Ans" memory  
retains its current value.  
Note:- Contents of "Ans" memory are not altered when  
RCL (= A~F, M, X, Y) is used to recall contents of  
variable memory. Also, contents of "Ans" memory are not  
altered when variables are input when the variable input  
prompt is displayed.  
x
x
–1  
–1  
–1  
ln, e , 10 , sin, cos, tan, sin , cos , tan , sinh, cosh, tanh,  
3 + 5 6 = 33  
3 [] 5 [] 6 [=]  
33.  
36.  
–1  
–1  
–1  
sinh , cosh , tanh , (–).  
7. Abbreviated multiplication format in front of Type B  
functions, such as, 23, A log2, etc.  
8. Permutation, combination, nPr, nCr  
9. ,   
7 8 4 5 = 36  
7 [] 8 [] 4 [] 5 [=]  
Shifting the Decimal Place  
1 2 3 4 5 6 1 [] 2 [] 3 [] 4 []  
= 6.6 5 [] 6 [=]  
You can use the key [ENG] to shift the decimal point of  
the displayed value three places to the left or right. Each  
3-place shift to the left is the same as dividing the value  
by 1000, and each shift to the right is the same as  
multiplying by 1000. This means that this function is  
useful when converting metric weights and measures to  
other metric units.  
6.6  
• Battery Contains Mercury. Do Not Put in Trash. Recycle or  
Manage as Hazardous Waste.  
100 (23) 4 = 80 100 [][( ] 2 [] 3[ )]  
a
[] 4 [=]  
80.  
29.  
10. ,   
2 3 ( 4 5 ) = 29  
2 [] 3 [] [(] 4 [] 5 [=]  
Closed parentheses  
Disposing of the Calculator  
• Never dispose of the calculator by burning it. Doing so  
can cause certain components to suddenly burst,  
creating the danger of fire and personal injury.  
• The displays and illustrations (such as key markings)  
shown in this Owner's Manual are for illustrative  
purposes only, and may differ somewhat from the actual  
items they represent.  
• When functions with the same priority are used in series,  
execution is performed from right to left for :- exln120  
ex{ln(120)}. Otherwise, execution is from left to right.  
• Operations enclosed in parentheses are performed first.  
occurring immediately  
before operation of the  
[=] key may be omitted.  
Display  
( 7 2 ) ( 8 5 ) = 65 [( ] 7 [] 2 [ )][( ] 8 [] 5 [=]  
A multiplication sign [  
occurring immediately  
65.  
Example  
Operation  
(Lower)  
]
123m456 = 56088m 123[]456 [=]  
56088.  
Stacks  
03  
= 56.088km [ENG]  
56.088  
This calculator uses memory areas, called "stacks", to  
temporarily store values (numeric stack) and commands  
(command stack) according to their precedence during  
calculations. The numeric stack has 10 levels and the  
command stack has 24 levels. A stack error (stk ERROR)  
occurs whenever you try to perform a calculation that is  
so complex that the capacity of a stack is exceeded.  
Omitting the multiplication sign ()  
before an open parantheses  
can be omitted.  
78g0.96 = 74.88g  
78[]0.96 [=]  
74.88  
03  
• The contents of this manual are subject to change  
without notice.  
When inputting a formula as it is written, from left to right,  
it is possible to omit the multiplication sign () in the  
following cases :-  
= 0.07488kg [SHIFT] [ENG]  
0.07488  
10 { 2 7 ( 3 6 )} 10 [  
][( ] 2 [] 7 [( ] 3 [  
]
–55.  
= –55 6 [=]  
– 5 –  
– 9 –  
– 13 –  
– 17 –  
– 1 –  
Handling Precautions  
• Be sure to press the "ON/AC" key before using the  
calculator for the first time.  
Error Loacator  
Percentage Calculations  
Use the "COMP" mode for percentage calculations.  
Memory  
• Before the following functions :-  
Pressing [3] or [4] after an error occurs display the  
calculation with the cursor positioned at the location  
where the error occured.  
sin, cos, tan, sin–1, cos–1, tan–1, sinh, cosh, tanh, sinh–1  
cosh–1, tanh–1, log, ln, 10x, ex, , 3, Pol(x,y), Rec(r, )  
example: 2sin30, 10log1.2, 23, 2Pol(5, 12), etc.  
,
This calculator contains 9 standard memories. There are  
two basic types of memories, i.e., "variable" memories,  
which are accessed by using the [STO] and [RCL] keys in  
combination with the alphabets A, B, C, D, E, F, M, X and Y.  
The "independent" memory, which is accessed by using  
the [M+] , [Shift] [M–] and [RCL] and [M] keys. The  
independent memory uses the same memory area as  
variable M.  
Display  
(Lower)  
• Even if the calculator is operating normally, replace the  
battery at least once every three years. Dead battery can  
leak, causing damage to and malfunction of the  
calculator. Never leave the dead battery in the calculator.  
• The battery that comes with this unit discharges slightly  
during shipment and storage. Because ofthis, it may  
require replacement sooner than the normal expected  
battery life.  
Example  
Percentage  
26% of $15.00  
Ratio  
Operation  
Overflow and Errors  
• Before fixed numbers, variales and memories :-  
example: 2π, 2AB, 3Ans, etc.  
15 []26 [SHIFT] [%]  
75[]250 [SHIFT] [%]  
3.9  
30.  
The calculator is locked up while an error message is on  
the display. Press [ON/AC] to clear the error, or press [3]  
or [4] to display the calculation and correct the problem.  
75 is what % of 250?  
• Before parentheses :-  
example: 3(56), (A1)(B1), etc.  
Contents of both the variable and independent memories  
are protected even when the power is turned OFF.  
"Ma ERROR" caused by:-  
Specifying the Format of Calculation Results  
Low battery power can cause memory contents to  
become corrupted or lost completely. Always keep  
written records of all important data.  
• Calculation result is outside the allowable calculation  
range.  
• Attempt to perform a function calculation using a value  
that exceeds the allowable input range.  
• Attempt to perform an illegal operation (division by zero,  
etc.).  
You can change the precision of calculation results by  
specifying the number of decimal places or the number of  
significant digits. You can also shift the decimal place of a  
displayed value three places to the left or right for  
one-touch conversions of metric weights and measures.  
Continuous Calculation Function  
Even if calculations are concluded with the [=] key, the  
result obtained can be used for further calculations. In  
this case, calculations are performed with 10 digits for the  
mantissa which is displayed.  
Variable memories  
Up to 9 values can be retained in memory at the same  
time, and can be recalled when desired.  
• Avoid use and storage in areas subjected to temperature  
extremes. Very low temperatures can cause slow display  
response,total failure of the display, and shortening of  
battery life.Also avoid leaving the calculator in direct  
sunlight, neara window, near a heater or anywhere else it  
might become exposed to very high temperatures. Heat  
can cause discoloration or deformation of the  
calculator's case, anddamage to internal circuitry.  
Example: Input 123 into memory "A" :-  
Action  
Upon power up reset, the display format is defaulted at  
"Norm1". Each time when you press "[MODE] [MODE]  
[MODE] [3]" you can choose either "Norm 1" or "Norm 2"  
by keying in [1] or [2] respectively.  
Norm 1 :- all values less than 10–2 or greater than 109 are  
automatically expressed as exponents.  
Norm 2 :- all values less than 10–9 or greater than 109 are  
automatically expressed as exponents.  
Example: To calculate 3.14 continuing after 34=12  
[ON/AC] 123  
[STO] [A]  
[ON/AC]  
_
123  
A=  
_
• Check your input values and make sure they are all  
within the allowable ranges. Pay special attention to  
values in any memory areas you are using.  
0.  
[ON/AC] [3] [] [4] [=]  
(continuing) [] [3] [•] [1] [4]  
[=]  
3x4  
D
12.  
D
123.  
Ans÷3.14_  
D
12.  
Avoid use and storage in areas subjected to large  
amounts of humidity and dust. Take care never to leave  
the calculator where it might besplashed by water or  
exposed to large amounts of humidity or dust. Such  
elements can damage internal circuitry.  
"Stk ERROR" caused by:-  
D
Capacity of the numeric stack or operator stack is  
exceeded.  
0.  
Ans÷3.14  
3.821656051  
D
Action  
Note: You cannot specify the display format (Fix, Sci) while  
the calculator is in Base-N mode.  
D
• Simplify the calculation. The numeric stack has 10 levels  
and the operator stack has 24 levels.  
• Divide your calculation into two or more separate parts.  
[RCL] [A]  
A=  
123.  
• Never drop the calculator or otherwise subject it to  
strong impact.  
D
Specifying the Number of Decimal Places  
Example: To calculate 133 =  
• Never twist or bend the calculator. Avoid carrying the  
calculator in the pocket of your trousers or other  
tight-fitting clothing where it might be subjected to  
twisting or bending.  
• Never try to take the calculator apart.  
• Never press the keys of the calculator with a ball-point  
pen or other pointed object.  
• Use a soft, dry cloth to clean the exterior of the unit. If the  
calculator becomes very dirty, wipe it off with acloth  
moistened in a weak solution of water and a mildneutral  
household detergent. Wring out all excess moisture  
before wiping the calculator. Never use thinner, benzine  
or other volatile agents to clean the calculator. Doing so  
can remove printed markings and damage the case.  
The calculator always performs calculations using  
10-digit mantissa and 2-digit exponent, and results are  
stored in memory as 12-digit mantissa and 2-digit  
exponent no matter how many decimal places you  
specify. Intermediate results and final results are then  
automatically rounded off to the number of decimal  
places you have specified.  
It should be noted that displayed results are rounded  
to the specified number of decimal places, but stored  
results are normally not rounded.  
a
When formulas are input, the result of the formula's  
calculation is retained in memory.  
[AC] [1] [] [3] [] [3] [=]  
1÷3x3  
1.  
"Syn ERROR" caused by:-  
• Attempt to perform an illegal mathematical operation.  
Action  
• Press to display the calculation with the cursor located at  
the location of the error. Make necessary corrections.  
D
a
[1] [] [3] [=]  
Example: Input the result of 123456 into memory "B" :-  
1÷3  
0.333333333  
[ON/AC] 123 [] 456  
_
123X456  
D
0.  
D
(continuing) [] [3] [=]  
Ansx3  
Number of Input/output Digits and Calculation Digits  
The memory area used for calculation input can hold 79  
"steps". One function comprises one step. Each press of  
numeric or , , and keys comprise one step.  
Though such operations as [SHIFT] [x!] (x–1 key) require  
two key operations, they actually comprise only one  
function, and, therefore, only one step. These steps can be  
confirmed using the cursor. With each press of the [3] or  
[4] key, the cursor is moved one step.  
1.  
[STO] [B]  
B=  
_
D
56088.  
D
To specify the number of decimal places ( Fix ), press  
[ON/AC]  
"[MODE] [MODE] [MODE] [1]" and then  
a
value  
0.  
D
indicating the number of decimal places (0~9).  
[RCL] [B]  
B=  
Fix 0~9?  
56088.  
D
At this time, you should be able to see "Fix" on the display.  
The number of decimal places specified will remain in  
– 6 –  
– 10 –  
– 14 –  
– 18 –  
– 2 –  
Whenever you input the 73rd step of any calculation, the  
cursor changes from "_" to "" to let you know memory is  
running low. If you still need to input more, you should  
divide you calculation into two or more parts.  
effect until "Norm" (to select "Norm" press "[MODE]  
[MODE] [MODE] [3]") is specified or significant digits are  
specified using "[MODE] [MODE] [MODE] [2]".  
This function can be used with Type A functions ( x2, x–1  
,
x!), , , x and º' ".  
Example: Squaring the result of 786=13  
Two-lines Display  
If a variable expression is entered, the expression is first  
calculated according to the values stored in the variable  
memories used in the expression. The result is then stored  
in the variable memory specified for the result.  
y, x  
[ON/AC] [7] [8] [] [6] [=]  
78÷6  
[ON/AC] [MODE]  
Example: Input the results of AB into memory "C" :-  
13.  
COMP SD REG  
1
D
2
3
S
A
hyp  
M
STO RCL SD REG  
D
R
G
Fix Sci  
When numeric values or calculation commands are input,  
they appear on the display from the left. Calculation  
results, however, are displayed from the right.  
[ON/AC] [ALPHA] [A] []  
[ALPHA] [B]  
AXB_  
(continuing) [x2]  
0.  
Ans2_  
D
You can simultaneously check the calculation formula and  
its answer. The first line displays the calculation formula.  
The second line displays the answer.  
[MODE]  
13.  
Deg Rad Gra  
1
D
2
3
[STO] [C]  
C=  
The allowable input/output range (number of digits) of  
this unit is 10 digits for a mantissa and 2 digits for the  
exponent. Calculations, however, are performed internally  
with a range of 12 digits for a mantissa and 2 digits for an  
exponent.  
6898824.  
[=]  
Ans2  
D
[MODE]  
169.  
Fix Sci Norm  
1
D
2
3
[ON/AC]  
_
0.  
Keys Layout  
Replay Function  
D
[1]  
This function stores formulas that have been executed.  
After execution is complete, pressing either the [3] or  
[4] key will display the formula executed.  
Fix 0~9?  
[RCL] [C]  
C=  
Example: 3 105 7 =  
6898824.  
D
3[EXP]5[÷]7[=]  
[4] (to specify 4 decimal places)  
Pressing [4] will display the formula from the beginning,  
with the cursor located under the first character.  
_
OFF  
3E5÷7  
SHIFT  
REPLAY  
ALPHA  
MODE  
42857.14286  
0.0000  
Deleting memories  
D
D
Fix  
To delete all contents of variable memories, press [Shift]  
followed by [Mcl] [=].  
Pressing [3] will display the formula from the end, with  
the cursor located at the space following the last  
character. After this, using the [4] and [3] to move the  
cursor, the formula can be checked and numeric values or  
commands can be changed for subsequent execution.  
3[EXP]5[÷]7[]42857[=]  
Reset to "Norm"  
[ON/AC] [MODE]  
3E5÷7–42857  
0.1428571  
x
COMP SD REG  
1
D
x!  
x1  
nPr  
Rec(  
2
3
Independent Memory  
x3  
10  
3
nCr  
Pol(  
xy  
ex  
Corrections  
Addition and subtraction (to and from sum) results can be  
stored directly in memory. Results can also be totalized in  
memory, making it easy to calculate sums. The icon "M"  
will be lighted as long as M is not empty.  
x
d
/c  
To make corrections in a formula that is being input, use  
the [3] and [4] keys to move to the position of the error  
and press the correct keys.  
Example: To change an input of 122 to 123 :-  
[1] [2] [2]  
[MODE]  
[MODE]  
Deg Rad Gra  
1
x2  
Example:  
2
3
ENG  
ab/c  
log  
ln  
[ON/AC] [1] [2] [3] []  
[4] [5] [6] [=]  
123x456  
A
C
sin1  
D
cos1  
E
tan1  
tan  
M–  
F
º ,,,B  
56088.  
Example: Input 123 to independent memory.  
Fix Sci Norm  
2
D
(–)  
hyp  
cos  
sin  
1
3
[ON/AC] [1] [2] [3]  
122_  
123_  
123  
_
;
0.  
0.  
[4]  
r
M
X
Y
123x456  
123x456  
123x456  
D
D
[3]  
[1]  
56088.  
,
Norm 1~2?  
(
)
STO  
RCL  
M+  
D
[3]  
[M+]  
122  
DT CL  
[=]  
0.  
123.  
A
B
C
Mcl Scl  
D
D
INS  
56088.  
Recall memory data  
[ON/AC]  
D
Display  
(Lower)  
16.66666667  
[3]  
123_  
DEL  
7
8
9
ON/AC  
Example  
1006 = 16.66666666 100 [] 6 [=]  
Operation  
0.  
0.  
[3]  
_
D
D
1
y
y
n  
y
n  
56088.  
D
Example: To change an input of cos60 to sin60 :-  
specify 4 decimal places [MODE][MODE][MODE][1][4]  
16.6667  
[RCL] [M]  
M=  
12  
_
4
5
6
÷
[cos] [6] [0]  
123.  
cancel specification  
[MODE][MODE][MODE]  
cos 60  
D
x
x
y
x
n  
xn  
1
0.  
[3] [1]  
200[]7 [] 14[=]  
MODE][MODE][MODE][1][3]  
16.66666667  
400.  
Add 25, subtract 12  
25 [M+] 12 [SHIFT] [M–]  
D
200714 = 400  
rounded to 3 decimal  
places  
+
DRG  
1
2
3
[3] [3] [3]  
12.  
[
400.000  
cos 60  
D
0.  
Recall memory data  
[ON/AC]  
Rnd  
Ran#  
π
%
D
200 [] 7[ =]  
28.571  
Ans  
=
EXP  
0
[sin]  
The intermediate result is  
automatically rounded  
to the specified three  
decimal places.  
0.  
sin 60  
D
0.  
D
[RCL] [M]  
M=  
136.  
D
– 7 –  
– 11 –  
– 15 –  
– 19 –  
– 3 –  

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