background image

4

DISPLAY (2-LINE DISPLAY)

Extension mark (Shows the presence of hidden formula)

Status indicators

Mantissa

Formula (12 characters)

Next or 
Previous 
page

Exponent 
minus sign

Mantissa 

minus sign

Exponent

TO GET START

Power ON, OFF  

 

First time operation: 

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

loaded and the calculator can be powered on. 

2.  Press                                      to reset the calculator. 

Power ON:

  When        (Power ON/Clear All) is pressed.

Power OFF:

  When                are pressed.

 

Auto Power Off Function: 

When the calculator is not used for about 

7 minutes

, the 

calculator will automatically power off.

<Status Indicators>

: Shift key
: Alpha key

hyp

: Hyperbolic key

M

: Independent memory

STO

: Store Memory

RCL

: Recall Memory

SD

: Statistic Mode

REG

: Regression Mode
: Degree Mode
: Radian Mode
: Grade Mode

FIX

: Fixed-decimal Setting

SCI

:

Disp

: Multi-statements Display
: Quotient value
: Remainder value
: Undo
: Upper Arrow
: Aown Arrow

Summary of Contents for F-715SA

Page 1: ...F 715SG F 715SA SCIENTIFIC CALCULAOR USER INSTRUCTIONS ENGLISH E IE 480 ...

Page 2: ...14 Fraction Operations P 15 Percentage Calculations P 16 Degree Minutes Seconds Calculations P 18 Fix Sci Norm ROUND P 19 FUNCTIONAL SCIENTIFIC CALCULATIONS P 21 Square Root Cube Cube Root Power Power Root Reciprocal and Pi P 21 Logarithm Natural Logarithm Antilogarithm and Logab P 21 Angle Unit Conversion P 22 Trigonometry Calculations P 23 Permutation Combination Factorials and Random Number Gen...

Page 3: ... statistical and other advance functions such as LCM GCD Quotient and Remainder Calculations and many more We recommend you to read this user manual and all the important notices before start using F 715SG F 715SA And please keep this user manual with you for future use Slide to open the cover Slide to close the cover 5 5 ...

Page 4: ...be powered on 2 Press to reset the calculator Power ON When Power ON Clear All is pressed Power OFF When are pressed Auto Power Off Function When the calculator is not used for about 7 minutes the calculator will automatically power off Status Indicators Shift key Alpha key hyp Hyperbolic key M Independent memory STO Store Memory RCL Recall Memory SD Statistic Mode REG Regression Mode Degree Mode ...

Page 5: ...isplay Press Dot or Comma to specify decimal point or 3 digits separator symbols COMP SD REG 1 2 3 Operation LCD Indicator Mode n o i t a l u c l a C l a m r o N P M O C D S n o i t a l u c l a C l a c i t s i t a t S D S G E R n o i t a l u c l a C n o i s s e r g e R G E R D e e r g e D g e D R n a i d a R d a R G e d a r G a r G X I F g n i t t e S l a m i c e d d e x i F x i F I C S n o i t a ...

Page 6: ...tion Mode COMP Angle Unit Deg Exponential Display Format Norm 1 Fraction Display Format a b c Decimal Point Character Dot and this action will not clear the variable memories Initialize the Calculator When you are not sure the current calculator setting you are recommended to initialize the calculator calculation mode COMP angle unit Degree and clear replay and variable memories by performing the ...

Page 7: ...n 889900 2889900 Press or keep pressing until s k n i l b 2 2 is deleted Press or keep pressing until s k n i l b 8 8 and blinks alternately Insert 2 8 still blinking Clear 889900 still blinking Resume 889900 F 715SG F 715SA allows you to input a single calculation up to 79 steps One step is used as each time you press one of the numeric keys key and the direction keys will not use up any step Sta...

Page 8: ...esults Replay memory is cleared when you i Initialize calculator setting by or ii Change from one calculation mode to another iii Press key iv Turn off the calculator by After deleted an input by or cleared the input by icon will be shown on the display Press to resume up to 79 deleted input or to undo the cleared segment and back to the previous display If pressed to delete character s then clear...

Page 9: ...008x1010 Rad 0 x 785398164 9 Grad 0 x 5 000000009x1010 tan x Deg Same as sinx except when x 90 2n 1 Rad Same as sinx except when x 2 2n 1 Grad Same as sinx except when x 100 2n 1 sin 1 x cos 1 x 0 x 1 tan 1 x tanhx 0 x 9 999999999x1099 sinhx coshx 0 x 230 2585092 sinh 1x 0 x 4 999999999x1099 cosh 1 x 1 x 4 999999999x1099 tanh 1x 0 x 9 999999999 x10 1 Function Input Range Calculation Accuracy Input...

Page 10: ... numerator and denominator must be 10 digits or less including division marks SD x 1x1050 REG y 1x1050 n 1x10100 LCM GCD 0 x 9 999999999x1012 0 y 9 999999999x1012 0 z 9 999999999x1012 Abs x 1 x 1050 r r 0 x 9 999999999x1012 Quotient 0 y 9 999999999x1012 Remainder Quotient 0 Q 9999999999 Remainder 0 r 9999999999 Function Input Range Errors are cumulative in the case of consecutive calculations this...

Page 11: ...on key s 3 Powers and roots xy x 4 Fraction a b c d c 5 Abbreviated multiplication format in front of e natural logarithm base memory name or variable name 2 3e 5A A etc 6 Type B function 3 log ln ex 10x sin cos tan sin 1 cos 1 tan 1 sinh cosh tanh sinh 1 cosh 1 tanh 1 To perform type B function press the above function key s then input calculation value 7 Abbreviated multiplication format in fron...

Page 12: ...ll replay memory and return to initial display of the latest mode Press will clear the error message and return to the display of the latest mode Press or to display the calculation with the cursor positioned under the error and you can correct it accordingly Error Message Cause Action Math ERROR Calculation result is outside the allowable calculation range An attempt to perform a calculation usin...

Page 13: ...egative values excludes the negative exponent you have to enclose them with parentheses Press to enter COMP mode as you want to perform basic calculations During the busy calculation the calculator will display the message PROCESSING Calculation Expression Display Result Operation 2 5 2 5 2 6 4 x 1075 2 x 10 79 8 x10 04 This Calculator supports 24 level of parenthetical expression You can omit the...

Page 14: ...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 and the memory contents are retained even when the calculator is turned off To clear independent memory M input When you want to clear all memory values press Mcl Answer Memory The input values or the most recent calculation result will be automati...

Page 15: ...n and the conversions between Fraction Decimal point Mixed fraction and Improper fraction Fraction Calculation Fraction Decimal point conversion 2 1 2 2 5 Fraction Decimal 5 2 2 1 2 r e w o L y a l p s i D e l p m a x E Operation 1 2 3 2 1 2 5 6 2 1 2 Result will be displayed in decimal format automatically whenever the total digits of a fractional value integer numerator denominator separator mar...

Page 16: ... one display format by either mixed fraction or improper fraction Simply press Disp then press the corresponding setting you need a b c Mixed fraction d c Improper fraction Percentage Calculations You can perform the following percentage calculations Basic To calculate a certain percentage of a value Percentage of a value against another value To calculate 25 of 820 820 x 25 205 The percentage of ...

Page 17: ...ange from A to B is x 100 820 mark up 25 5 2 0 1 5 2 x 0 2 8 0 2 8 820 have 25 discount 5 1 6 5 2 x 0 2 8 0 2 8 r e w o L y a l p s i D e l p m a x E Display Upper Operation A B B B A A 300 is added to 750 the percentage 300 750 75 140 increase of 750 is 25 increased into 30 the percentage change 30 25 25 20 of 25 is r e w o L y a l p s i D e l p m a x E Display Upper Operation A A B A A B A B B B...

Page 18: ...ion expression If A B C D A is a of D where a x 100 Examples To calculate the ratio of each portion as 25 85 90 200 100 the ratio of 25 is 12 5 85 is 42 5 90 is 45 You can store the sum of value into memory variables then recall and use the value by pressing or Memory variable A D r e w o L y a l p s i D s e l p m a x E Operation 86o 37 34 2 0 7 123o 3 2 1 6 5 4 o 45o 6 123o 45 6 123 7516667 7 6 6...

Page 19: ...ic Notation Sci 0 9 appears specify the number of significant digits by pressing Press 3 Exponential Notation Norm 1 2 appears Specify the exponential notation format by pressing or Norm 1 Exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than two decimal point Norm 2 Exponential notation is automatically used for integer values wit...

Page 20: ...8571 Internal calculation continues 8 1429 s t i g i d 6 1 Example 57 7 x 20 Operation Display Lower 162 8571 Perform internal rounding under the special decimal setting 8 1429 162 8580 notiation 1 62858 10 02 Notation format by pressing to clear the FIX and Sci 162 858 ...

Page 21: ...21755977 r e w o L y a l p s i D n o i t a r e p O Display Upper FUNCTIONAL SCIENTIFIC CALCULATIONS Press to enter COMP mode for performing functional scientific calculations During the busy calculation the calculator will display the message PROCESSING 3 14159265359 e 2 71828182846 Logarithm Natural Logarithm Antilogarithm and Logab e 3 101 2 ln 3 16 99733128 16 99733128 log381 log 1 4 4 Examples...

Page 22: ...ou need Then the display will show the or indicator accordingly To convert an angle unit between Degree Radian and Grade you can press and the following display menu will be shown Then press or will convert the displayed value into the selected angle unit Example Convert 180 degree into radian and grade 180o Rad 200Gra Deg Rad Gra 1 2 3 D R G 1 2 3 4 5 6 2 9 5 1 4 1 3 0 8 1 0 0 2 0 8 1 Operation D...

Page 23: ... e r g e D sin 53 o 22 12 0 802505182 0 802505182 cosec x 1 sinx 1 414213562 cosec 45 o 1 414213562 tan 1 5 6 39 80557109 o 39 80557109 0 e d o M n a i d a R 0 785398163 0 785398163 0 866025403 5 2 0 d a R 5 2 0 Examples Display Lower Operation 1 2 cos 1 Hyperbolic sinh cosh tanh Inverse Hyperbolic sinh 1 cosh 1 tanh 1 Functions sinh 2 5 cosh 2 5 0 082084998 0 082084998 cosh 1 45 4 499686191 4 499...

Page 24: ...with Example To generate a random number between 0 000 and 0 999 and generate an integer from range of 1 to 100 The value is only a sample results will differ each time Operation Display Lower Display Upper 10P3 0 2 7 5C2 0 1 0 2 1 5 Examples Display Lower Operation Permutation Combination Factorials and Random Number Generation Permutation nPr Combination nCr Factorial x x x 1 x 2 2 1 n n r n r n...

Page 25: ...h the non zero integers Math ERROR will be shown when decimal numbers or negative integers had been input Only integers are allowed Math ERROR will be shown when decimal numbers non integers e g sin 60 or dividend value zero 0 had been input Only Quotient Value Q can continue to be used for the next calculation or being stored into memory variables Quotient Q is the result of a division problem Re...

Page 26: ...es r Press to display the value of r or to display the value of To converts polar coordinates r to rectangular coordinates x y Press to display the value of x or to display the value of y Syntax ERROR will be shown if is missed in the coordinate conversion calculation With Polar coordinate 1 r 2 60o 8 0 8 0 5 0 2 3 7 1 r a l u g n a t c e r d n i F coordinate x y at degree mode 1 D s e l p m a x E...

Page 27: ...ut the same data twice In REG mode store the x data and y data in the form of x data y data pressing will input the same data twice Use for same data multiple entries For example in SD mode the data 20 has 8 times will press 20 8 Each time you press to register the input the number of data input up to that point is indicated on the display once n the number of input data Press or key during or aft...

Page 28: ...lay then you can perform other calculation operations Input data are stored in calculation memory As the memory full Data Full will be displayed and you cannot input or perform any calculation Press or key will display the options EditOFF or ESC After changing into another mode or regression type Lin Log Exp Pwr Inv Quad input data will be cleared After finishing data entries you can recall or cal...

Page 29: ...ollow screen options will be shown Press or for Lin Linear regression Log Logarithmic regression Exp Exponential regression Stat clear 5 n x2 32 808 4 0 4 x 8 0 8 x x n 5 741080038 x n 1 6 418722614 5 7 X n i m 0 9 X x a m 7 7 d e m r e w o L y a l p s i D n o i t a r e p O Display Upper Lin Log Exp 1 2 3 Summation of x x Mean of x x Sum of Square x2 Maximum value of x maxX Number of data sample n...

Page 30: ...on coefficient A A Regression coefficient B B X n i m X f o e u l a v m u m i n i M Maximum value of X maxX Y n i m Y f o e u l a v m u m i n i M Maximum value of Y maxY If follow with or another regression options will be displayed as follow You can press or for Pwr Power regression Inv Inverse regression Quad Quadratic regression Before starting be sure to clear the statistical memory by pressin...

Page 31: ...estment and the investment unit at 180 yield Investment thousand unit Yield 20 120 30 126 40 130 50 136 60 141 Correlation coefficient r r Regression estimated value x x Regression estimated value y y Summation of all x3 values x3 Summation of all x2y pairs x2y Summation of all x4 values x4 Regression coefficient C C Regression estimated value x 1 x 1 Regression estimated value x 2 x 2 Regression ...

Page 32: ... Bx 1 Quadratic Regression The quadratic regression is in relation to the formula y A Bx Cx2 Example ABC company investigated the effectiveness of the advertisement expenses in coded units the following data were obtained Please calculate the correlation coefficient use the regression to estimate the effectiveness estimate the value of y if the advertisement expenses x 30 and estimate the advertis...

Page 33: ...place Slide the battery cover slightly and lift it Remove the old battery with a ball pen or similar sharp object Load the new battery with the positive side facing up Replace the battery cover screw and press the Caution Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according to the instruction Electromagnetic interference or electrostatic discharge may c...

Page 34: ... of children If the battery is swallowed contact a doctor immediately Misuse of battery may cause leakage explosion damages or personal injury Don t recharge or disassemble the battery it could cause a short circuit Never expose the battery to high temperatures direct heat or dispose by incineration Never leave a dead battery in the calculator as the dead battery may leak and cause damage to the c...

Page 35: ... IE 480 SPECIFICATIONS Power Supply Solar cell and a single Alkaline battery LR44 x 1 Power Consumption D C 1 5V 0 1mW Battery Life Approximately 3 years Auto Power Off Approx 7 minutes Base on 1 hour of operation per day Specifications are subject to change without notice ...

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