Canon F-718SGA - Manual

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Omit the multiplication sign and final close parenthesis.

Press to switch a calculation result between fraction and

decimal format.

Press to switch a calculation result between

improper fraction and mixed fraction format.

Result will be displayed in decimal format automatically

whenever the total digit of a fractional value (integer +

numerator + denominator + separator marks) exceeds 10.

As a fraction calculation is mixed with decimal value, the

result will be displayed by decimal format.

*1. Omit multiplication sign (x)

- Input before an open parentheses : 1 x (2+3)

- Input before scientific functions that includes

parenthesis: 2 x cos(30)

- Input before Random number function

- Input before Variable (A, B, C, D, X, Y, M), π,

*2. Scientific functions come with the open parenthesis.

Example: sin(, cos(, Pol(, LCM(…. You need to input the

argument and the close parenthesis .

*3. Omit the last close parenthesis before the , ,

, .

Insert and overwrite Input mode

In Line mode, you can use INSERT or overwrite mode

for inputting.

- In Insert mode (Default input mode), the cursor is a

vertical flashing line “ | ” for inserting a new character.

- In overwrite mode, press key to switch the

cursor to a flashing horizontal ( _ ) and replace the

character at the current cursor position.

In Maths mode, you can only use the insert mode.

Whenever the display format changes from Line mode to

Maths mode, it will automatically switch to the insert mode.

Arithmetic Calculations

• To

calculate with negative values (exclude the negative

exponent) enclose then with parentheses.

• This calculator supports 99 levels of parenthetical

expression.

Press to enter COMP mode.

During the busy calculation, the calculator shows only

the indicators (without any calculation result). You can

press key to interrupt the calculating operation.

Power ON, OFF

First time operation:

1. Pull out the battery insulation sheet, then the battery will

be loaded.

2. Press to reset the calculator.

Power ON:

When is pressed.

Power OFF:

are pressed.

Auto Power off Function:

When the calculator is not used for about

7 minutes

, it

will automatically power off.

Display Contrast Adjustment

Press (5: CONT ), enter the

Display Contrast Adjustment screen.

Press to make the display contrast darken.

Press to make the display contrast lighten.

Press or to confirm and clear the screen.

To initialize the LCD contrast, press

outside the

Display Contrast Adjustment

screen.

<Status Indicators>

: Shift key

: Alpha key

: Independent memory

STO

: Store memory

RCL

: Recall memory

STAT

: Statistics mode

: Degree Mode

: Radian Mode

: Gradient Mode

FIX

: Fixed-decimal setting.

SCI

: Scientific Notation

LINE

: Line Display mode

: Up Arrow

: Down Arrow

Disp

: Multi-statements Display

PRINTED IN CHINA

How to use the Slide Cover

Open or close the cover by sliding as shown in the figure.

CONTENTS

DISPLAY (4-line Dot Matrix DISPLAY)

GETTING STARTED

ENGLISH

Mode Selection

Press to enter the Calculation Mode Selection

screen.

Press , , to select the calculation mode.

To select the angle unit [3] Deg, [4] Rad or [5] Gra

[3] Deg: Angle unit in Degree

[4] Rad: Angle unit in Radian

[5] Gra: Angle unit in Gradient

90º = radians = 100grads

To select display digit or notation [6] Fix, [7] Sci or
[8] Norm

[6] Fix: Fixed Decimal, [Fix 0~9?] appears, specify the

number of decimal places by pressing [0] – [9].

Example: 220 ÷ 7 = 31.4286 (FIX 4)

= 31.43 (FIX 2)

[7] Sci: Scientific Notation, [Sci 0~9?] appears, specify

the number of significant digits by pressing [0] – [9].

Example

220 ÷ 7 = 3.1429 x 10

(SCI 5)

= 3.143 x 10

(SCI 4)

[8] Norm: Exponential Notation, [Norm 1~2?] appears,

specify the exponential notation format by pressing [1] or

[2].

Norm 1: Exponential notation is automatically used for

integer values with more than 10 digits and decimal

values with more than

TWO

decimal points.

Norm 2: Exponential notation is automatically used for

integer values with more than 10 digits and decimal

values with more than

NINE

decimal places.

Example: 1 ÷ 1000 = 1 x 10

-3

(Norm 1)

= 0.001 (Norm 2)

To select the fraction format [1] a b/c or [2] d/c

[1] a b/c: specify Mixed fraction display

[2] d/c: specify Improper fraction display

To select the statistical display format [3] STAT

([1] ON or [2] OFF)

[1] ON: Show FREQ (Frequency) Column in Statistical

Data Input Screen

[2] OFF: Hide FREQ (Frequency) Column in Statistical

Data Input Screen

To select the decimal point display format [4] Disp
([1] Dot or [2] Comma)

[1] Dot: specify dot format for Decimal point result display

[2] Comma: specify comma format for Decimal point

result display

To Adjust Display contrast [5] CONT

See “Display Contrast Adjustment” section.

Initial mode is COMP mode.

Calculator Set-up Menu

Press to enter the

Calculator Set-up Menu

;

press / for next / previous page.

To select the calculator input & output format [1]
Maths or [2] Line

[1] Maths

– (Maths mode): The majority of calculation

input and output (e.g. Fraction, pi, square root

number) are shown in Mathematics textbook format.

[2] Line – (Line mode): The majority

of calculation input and output are

shown in the lines format. And

“LINE” icon will be shown.

For the STAT mode, the Input &

Display format will switch to Line

mode automatically.

COMP Normal calculation

STAT

Statistical calculation

STAT

TABLE Function Table calculation

Operation Mode

LCD

Indicator

Before Using the Calculator

Check the current Calculation Mode

Be sure to check the status indicators that indicate the

current calculation mode (COMP, STAT, TABLE), display

formats setting and angle unit setting (Deg, Rad, Gra)

Return to initial setup

Pressing (YES) to return the

initial calculator setup

Calculation mode

: COMP

Input/Output Format

: Maths

Angle unit

: Deg

Display Digits

: Norm 1

Fraction Display Format

: d/c

Statistical Data Input

: OFF

Decimal Point format

: Dot

This action will not clear the variable memories.

Initialize the calculator

When you are not sure of the current calculator setting, you

are recommended to initialize the calculator (calculation

mode “COMP”, angle unit “Degree”, and clear reply and

variable memories), and LCD contrast by pressing

(All) (YES) .

Input Capacity
F-718S

allows you to input a single calculation up to 99

bytes. Normally, one byte is used as each time you press

one of the numeric keys, arithmetic keys, scientific function

keys or . Some functions require 4 – 13bytes.

, , and the direction keys will not use up any bytes.

When input capacity is less than 10bytes, the input cursor

will change from “ ” to “ ” that notifying the memory is

running now.

Input Editing

New Input begins on the left of display. If input data are

more than 15 characters, the line will scroll to the right

consecutively. You can scroll back to the left by using

and to review the input

In Line mode, press to let the cursor jump to the

beginning of inputting, while will jump to the end.

In Maths mode, press to let the cursor jump to the

beginning of inputting while it is at the end of the input

calculation. Or press to let the cursor jump to the end

of inputting while it is at the beginning of the input

calculation.

INPUTTING EXPRESSIONS AND VALUES

BASIC CALCULATIONS

Number of Digits for
Internal Calculation
Precision*

Calculation Range

Up to 18 digits

±1 at the 10th digit for a single calculation.
±1 at the least significant for exponential
display
±1

–99

to ±9.999999999

or 0

Inputting and Display result in Maths Mode

In Maths Mode, the Input and display result of fraction or

certain functions (log, x

, x

, x , ,

, , x

-1

, 10 , e ,

Abs) is shown in Handwriting/Mathematics format.

Remark

(1) Some input expressions cause the height of a

calculation expression to be greater than one display

screen. Maximum input capacity: 2 display screen

(31 dots x 2).

(2) Calculator memory limits how many functions or

perentheses can be input in any single expression. In

this case divide the expression into multiple parts and

calculate separately.

(3) If part of the expression you input is cut off after

calculation and in the result display screen you can

press or to view the full expression.

• Errors are cumulative in the case of consecutive

calculations, this is also true as internal consecutive

calculation are performed in the case of ^(x

√y,

√, x!,

nPr, nCr , etc. And may become large.

Display of results using

Calculation results may be displayed using when all of

the following cases:-

1. When intermediate and final calculation results are

displayed in the following form:

2. When the number of terms in the intermediate and final

calculation result is one or two.

In the same precedence level, calculations are

performed from left to right.

Operation enclosed within parentheses is performed

first. When a calculation contains an argument that is a

negative number, the negative number must be enclosed

within parentheses.

Example:

–2

= –4

(–2)

= 4

When same priority commands are mixed into one

calculation.

Example 1:

1 ÷ 2 = 0.1591549431

Example 2:

2 A

1 ÷ 2A =

Function Calculation Input Ranges

DEG

0 |x| <9

RAD

0 |x| <157 079 632.7

GRA

0 |x| <1x10

DEG

0 |x| <9

RAD

0 |x| <157 079 632.7

GRA

0 |x| <1x10

DEG

Same as sinx, except when |x| =(2n-1)

RAD

Same as sinx, except when |x| =(2n-1)

GRA

Same as sinx, except when |x| =(2n-1)

100

0 |x| 9.999 999 999x10

0 |x| 4.999 999 999x10

1 x 4.999 999 999x10

0 |x| 9.999 999 999x10

-1

0< x 9.999 999 999x10

-9.999 999 999 x10

x 99.999 999 99

-9.999 999 999 x10

x 230.258 509 2

0 x <1x10

100

|x|<1x10

|x| 2.154 434 69x10

|x|<1x100

100

,x 0

|x|<1x10

100

0 x 69 (x is an integer)
0 n < 1x10

, 0 r n (n,r are integers)

1 {n!/((n-r)!) < 1x10

100

0 n < 1x10

, 0 r n (n,r are integers)

1 n!/r! < 1x10

100

or 1 n!/(n-r)! < 1x10

100

sinx

cosx

tanx

sin

-1

cos

-1

tan

-1

sinhx

coshx

sinh

-1

cosh

-1

tanhx

tanh

-1

logx/lnx

√x

-1

√x

nPr

nCr

Input Range

Functions

Calculation Precision, Input Range

INPUT RANGE AND ERROR MESSAGE

0 |x| 1

0 |x| 230 258 509 2

|x|,|y| 9.999 999 999x10

9.999 999 999x10

0 r 9.999 999 999x10

: Same as sinx
|a|,b,c <1x10

100

0 b,c
The display seconds value is subject to an error of
+/-1 at the second decimal place
|x|<1x10

100

Deciaml Sexagesimal Conversions
0°0

′

″

|x| 9999999°59

′

″

x>0: -1x10

100

< ylog x < 100

x=0: y>0
x<0: y=n,m/(2n+1) (m,n are integers)
However: -1x10

100

<ylog|x|<100

y>0: x 0, –1x10

100

<1/x logy<100

y=0:x>0

y<0:x=2n+1,(2n+1)/m (m≠0;m,n are integers)

However: -1x10

100

<(1/x)log|y|<100

Total of integer, numerator, and denominator must be
10 digits or less (including division marks).
0 a<1x10

, 0 b<1x10

(a,b should be positive

integers or 0)
Result generates a 3 digits pseudo random
number(0.000~0.999)
0<x, y, z 9.999 999 999x10

(positive integers)

Default result when x, y, z=0
0<x, y, z 9.999 999 999x10

(positive integers)

Default result when x, y, z=0
0<x,y 9.999 999 999x10

(positive integers)

0 Q 999 999 9999, 0 r 999 999 9999 (Q,r are
integers)
Default result when x=0

Pol(x,y)

Rec(r, )

°′ ″

° ″

^(x

)

√y

a b/c

i~Rand(a,b)

Rand

LCM(x,y,z)

GCD(x,y,z)

Q…r(x,y)

Input Range

Functions

|x|<1x10

100

|x|<1x10

100

|FREQ|<1x10

100

|x|<1x10

100

|y|<1x10

100

|FREQ|

<1x10

100

Abs

Two-variable

Statistical

calculation

One-variable

Statistical

calculation

Input Range

Functions

Fractions: a b/c, d/c
Prefix symbol: (–) (negative sign)
Statistical estimated value calculation:
Multiplication where sign is omitted: Multiplication sign
omitted immediately before , e, variables (2 , 5A, A,
etc.), functions with parentheses (2 (3), Asin(30), etc.)
Permutations, combinations: nPr, nCr
Multiplication and division:

, ÷

Addition and subtraction: +, –
Calculation ending instruction: =, M+,M- STO(store
memory),FMLA

5th
6th
7th
8th

9th
10th
11th
12th

Calculation Stacks

This calculator uses memory areas, called “stacks”, to

temporarily store numeric value (numbers) and commands

(+, –, x…) according to their precedence during calculations.

The numeric stack has 10 levels and command stack has

128 levels. A stack error [Stack ERROR] occurs whenever

you try to perform a calculation that exceeds the capacity of

stacks.

Calculations are performed in sequence according to “Order

of Operations”. After the calculation is performed, the stored

stack values will be released.

Error Messages and Error locator

The calculator is locked up while an error message is shown on

the display to indicate the cause of the error.

Press to clear the error message, then return to the

initial display of latest mode.

Press or to display input expression with the cursor

positioned next to the error.

Press to clear the error message, clear the replay

memory history and return to the initial display of the latest

mode.

Recall memory (A, B, C, D, 0-9), Rand
Calculation within parentheses ( ).
Function with parenthesis that request the input
argument to the right Pol(, Rec( , sin(, cos(, tan(,
sin

–1

(, cos

–1

(, tan

–1

(, sinh(, cosh(, tanh(, sinh

–1

cosh

–1

(, tanh

–1

(, log(, ln(, e^(, 10^(, (,

(, Abs(,

ROUND(, LCM(, GCD(, Q…r(, i~Rand(,
Functions that come after the input value preceded by
values, powers, power roots:
x

, x

–1

, x!, ° ’ ”, °, r, g, ^(,

(, Percent %, log

b, EXP

1st Priority

2nd
3rd

4th

Order of Operations

This calculator will automatically determine the operation

priority of each individual command as follows:-

Error Message

Cause

Action

Math ERROR

• The intermediate or final

result is outside the

allowable calculation

range.

• An attempt to perform a

calculation using a value

that exceeds the

allowable input range.

• An attempt to perform an

illogical operation

(division by zero, etc.)

Check the input values

and make sure they are

all within the allowable

ranges, Pay special

attention to values in any

using memory areas

(-2.5)

75x-2

-79

1250

(-2.5)

(4 x 10

)(-2 x

-79

)

Display

Key in operation

Example in

Maths mode

Memory Calculations
Memory Variables

• There are 17 memory variables (0 – 9, A – D, M, X and

Y), which store data, results, or dedicated values.

• Store values into memory by pressing + Memory

variable.

• Recall memory values by pressing + Memory

variable.

• Memory content can be cleared by pressing

+ Memory variable.

Example:

23 + 7 A (30 store into A), calculate 2 sinA

and clear memory A.

Independent Memory

• Independent memory uses the same memory area

as variable M. It is convenient for calculating cumulative

total by just pressing (add to memory) or

(subtract from memory)

• Memory contents are retained even when the calculator

is powered off.

• Clear independent memory (M) by pressing

• Clear all memory values by pressing 2(MCL)

Answer Memory

• The input values or the most recent calculation result will

be automatically stored into Answer memory whenever

you press , , , , . Answer

memory can hold up to 18 digits.

• Recall and use the latest stored Answer memory by

pressing .

• Answer memory is not updated as an error operation

had been performed.

• Answer memory contents can be maintained even if

pressing , changing the calculation mode, or turning

off the calculator.

23+7 A
30
2sin(A
1
0 A
0

23 + 7 A

2 x sin A = 1

Clear memory

Display

Key in operation

Example in

Maths mode

Example:

2 x log 100 x (1+3) = 16

Including *1,
*2, *3

Omitting *1,
Omitting *3

2xlog(100) x (1+3)

2log(100)(1+3

Operation 1:

Display 1

Operation 2:

Display 2

x, y, x1, x2

ˆ ˆ ˆ ˆ

Stack ERROR

• The capacity of the

numeric stack or

operator stack is

exceeded.

• Simplify the calculation.

• Divide the calculation

into two or more

separate parts.

Syntax ERROR

An attempt to perform an

illegal mathematical

operation.

Press or to display

the cursor at the location

of the error, make

appropriate corrections

Insufficient

MEM

The calculation result of

Function Table mode

parameters caused more

than 30 x-values to be

generated for a table

Narrow the table

calculation range by

changing the start, end,

and step values, and try

again.

Ans

335241

789900-Ans
454659

123 + 456 M+,
Ans

= 335,241

789900 – Ans =
454,659

Display

Key in operation

Example in

Maths mode

Maths Mode

Line Mode

3_|2_|3

11_|3

Mixed Fraction

(a b/c)

Improper Fraction

(d/c)

Fraction Calculations

The calculator supports Fraction calculation and the

conversions between Fraction, Decimal point, Mixed fraction

and Improper fraction.

• Specify the fraction calculation result display format by either

mixed fraction (a b/c)

improper fraction

(d/c)

in set-up

menu.

• At the default setting, fractions are displayed as improper

fractions (d/c).

• Mixed Fraction display result only available after set the (a

b/c) in the setup menu.

2
3

Fraction Decimal point conversion

2.333333333

1 + =

in Maths mode

(Fraction Decimal)

(Decimal Mixed

Fraction)

Display

Key in operation

Example in

Maths mode

Deleting and Correcting an Expression

In insert mode: Move the cursor to the right of the character

or function that needs to be deleted, then press .

In overwrite mode: Move the cursor under the character or

function being deleted, then press .

Example:

1234567 + 889900

(1) Replace an entry (1234567 1234560)

(2) Deletion (1234567 134567)

Method 1:

Line/Maths

mode - Insert mode

Method 2:

Line mode -

Overwrite mode

12times

13times

12|34567+889900

134567+889900

1234567+889900_

1234567+889900

134567+889900

(3) Insertion (889900 2889900)

Line/Maths mode -

Insert mode

6times

1234567+|889900

1234567+2|889900

820x25%
205

750÷1250%

To calculate 25% of
820 (Maths mode)

The percentage of
750 against 1250
(Maths mode)

Display

Key in operation

Example in

Maths mode

Percentage Calculations

Degree-Minutes-Seconds Calculations

Use degrees (hours), minutes and seconds key to perform a

sexagesimal (base-60 notational system) calculation or convert

the sexagesimal value into decimal value.

Degree-Minutes-seconds Decimal points

86º37 º 34.2 º ÷ 0.7

123º45’6”

86º37 º 34.2 º ÷ 0.7
123.7516667

2.3456

2º20’44.16”

86º37’34.2” ÷ 0.7 =
123º45’6”

(Maths mode)

23º45’6” 123.7516667

(Maths mode)

.3456 2º20’44.16”

(Maths mode)

Display

Key in operation

Example in

Maths mode

DISPLAY (4-line Dot Matrix DISPLAY) ........................................P. 3

GETTING STARTED......................................................................P. 4

Power ON, OFF ........................................................................P. 4

Display Contrast Adjustment.....................................................P. 4

Mode Selection .........................................................................P. 4

Calculator Set-up Menu ............................................................P. 5

Before Using the Calculator ......................................................P. 7

INPUTTING EXPRESSIONS AND VALUES .................................P. 8

Input Capacity ...........................................................................P. 8

Input Editing ..............................................................................P. 8

Inputting and Display result in Maths Mode ............................P. 11

INPUT RANGE AND ERROR MESSAGE ...................................P. 11

Calculation Precision, Input Range .........................................P. 11

Order of Operations ................................................................P. 14

Calculation Stacks ..................................................................P. 16

Error Message and Error Locator ...........................................P. 16

BASIC CALCULATIONS .............................................................P. 17

Arithmetic Calculations ...........................................................P. 17

Memory Calculations ..............................................................P. 17

Fraction Calculations ..............................................................P. 19

Percentage Calculations .........................................................P. 20

Degree-Minutes-Seconds Calculations...................................P. 20

Reply & Multi-statements ........................................................P. 21

FUNCTIONAL SCIENTIFIC CALCULATIONS ............................P. 22

Square, Root, Cube, Cube Root, Power Root,

Reciprocal and pi ....................................................................P. 22

Logarithm, Natural Logarithm, Antilogarithm and logab..........P. 22

Angle Unit Conversion ............................................................P. 22

Trigonometry Calculations ......................................................P. 23

Permutation, Combination, Factorials and Random

Number Generation ................................................................P. 24

Least Common Multiple and Greatest Common Divisor .........P. 25

Quotient and Remainder Calculations ....................................P. 26

Coordinate Conversion ...........................................................P. 26

Absolute Value Calculations ...................................................P. 27

Engineering Notation ..............................................................P. 27

Display Values Exchange .......................................................P. 28

STATISTICAL CALCULATIONS .................................................P. 29

Statistical Type Setection........................................................P. 29

Statistical Data Input ...............................................................P. 29

Editing Statistical Sample Data ...............................................P. 30

Statistical Calculation Screen .................................................P. 31

Statistical Menu.......................................................................P. 31

Statistical Calculation Example ...............................................P. 33

FUNCTION (x, y) TABLE CALCULATION..................................P. 34

BATTERY REPLACEMENT ........................................................P. 36

ADVICE AND PRECAUTIONS ....................................................P. 37

SPECIFICATIONS .......................................................................P. 38

OPEN

CLOSE

Press

or key

Maths mode

Line mode

LINE

1 +

2 1

2.333333333

Display

Key in operation

Example in

Maths mode

NOTES

F-718SGA

and

F-718SG

the top case, bottom case,

battery cover and hard case in this product are made

from recycled Canon copier plastic.

F-718S/F-718SGA/

F-718SG/F-718SA

E-IE-410

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