Casio FX-100D Guia do Utilizador Página 1

fx-100AUUser's GuideEhttp://world.casio.com/edu_e/

– 9 –• Pressing the g key recalls the last result obtained, whichyou can use in a subsequent calculation. See “AnswerMemory” for more information abou

– 10 –• Example: To add 2 + 3 and then multiply the result by 42 + 3 p \ g - 4 ==k Exponential Display FormatsThis calculator can display up to 10 di

– 11 –COMP•To change the decimal point and separator symbol set-ting, press the F key a number of times until you reachthe setup screen shown below.•

– 12 –k Fraction OperationsuFraction Calculations•Values are displayed in decimal format automaticallywhenever the total number of digits of a fractio

– 13 –uMixed Fraction ↔ Improper FractionConversion•You can use the display setup (Disp) screen to specifythe display format when a fraction calculati

– 14 –• Example 5: To discount the sum of 168, 98, and 734 by20%(800)168 + 98 + 734 = g A j 1p 1 - 20 A v ,* As shown here, if you want to use the cur

– 15 –k FIX, SCI, RND•To change the settings for the number of decimal places,the number of significant digits, or the exponential dis-play format, pr

– 16 –COMPMemory CalculationsUse the F key to enter the COMP Mode when youwant to perform a calculation using memory.COMP ...

– 17 –COMP• Example:23  9 3223 + 9 A j 3 (M+)53  6 4753 , 6 |) 45  2 9045 - 2 A {(Total)–110 3 (M+)k Variables•There are nine variables (A thro

– 18 –k Trigonometric/Inverse TrigonometricFunctions•To change the default angle unit (degrees, radians,grads), press the F key a number of times unti

– 1 –Removing and Replacingthe Calculator’s Cover• Before starting ...1Holding the cover as shown in the illustration, slide theunit out of the cove

– 19 –k Common and Natural Logarithms/Antilogarithms• Example 1: log 1.23  0.089905111R 1.23 =• Example 2: In 90 (= loge 90) = 4.49980967T 90 =ln e 

– 20 –• Example 9: 3π  9.4247779613 A x =• Example 10: To determine how many different 4-digitvalues can be produced using the numbers 1 through 7•

– 21 –• Example 1: To convert polar coordinates (r2, ␪60°)to rectangular coordinates (x, y) (Deg)x  1A F 2 P 60 T =y  1.7320508080 o• Press 0 n to

– 22 –1(Eng ON): Engineering symbols on (indicated by“Eng” on the display)2(Eng OFF): Engineering symbols off (no “Eng”indicator)• The following are t

– 23 –SDREGSDStatisticalCalculationsStandard DeviationUse the F key to enter the SD Mode when you wantto perform statistical calculations using standa

– 24 –Population Standard Deviation (σn) = 1.316956719A X 2 =Arithmetic Mean (o) = 53.375A X 1 =Number of Data (n) = 8A U 3 =Sum of Values (Σx) = 427

– 25 –SDPress 2 to exit data input without registering the valueyou just input.Press 1 if you want to register the value you just input,without saving

– 26 –Regression CalculationsUse the F key to enter the REG Mode when you wantto perform statistical calculations using regression.REG ...

– 27 –• The following table shows the key operations you shoulduse to recall results in the case of quadratic regression.To recall this type of value:

– 28 –uLinear Regression• The regression formula for linear regression is:y = A + Bx.• Example: Atmospheric Pressure vs. TemperaturePerform linear reg

– 2 –Safety PrecautionsBe sure to read the following safety precautions beforeusing this calculator. Keep this manual handy for later ref-erence.Cauti

– 29 –Sample Covariance = 35E A U r 3 ,A U 3 - A X 1 -A X r 1 F \E A U 3 , 1 F =uLogarithmic, Exponential, Power, and InverseRegression• Use the same

– 30 –CMPLXn when xi is 16 = –13.3829106716 A X r r r 3 =m1 when yi is 20 = 47.1455672820 A X r r r 1 =m2 when yi is 20 = 175.587210520 A X r r r 2 =D

– 31 –•You can use the replay function in the CMPLX Mode.Since complex numbers are stored in replay memory inthe CMPLX Mode, however, more memory than

– 32 –BASEA r to toggle the display between the absolute value(r) and argument ().• Example: 1  i ↔ 1.414213562 ⬔ 45(Angle unit: Deg)1 + i A Y = A r

– 33 –automatically cuts off the decimal part.• Negative binary, octal, and hexadecimal values areproduced by taking the two’s complement.•You can use

– 34 –• Example 4: To convert the value 2210 to its binary, oc-tal, and hexadecimal equivalents.(101102 , 268 , 1616 )Binary mode: t b0.bl l l 1(d) 22

– 35 –k Error MessagesThe calculator is locked up while an error message is onthe display. Press t to clear the error, or press e or rto display the c

– 36 –Arg ERROR• Cause• Improper use of an argument• Action• Press e or r to display the location of the cause ofthe error and make required correctio

– 37 –• Example:123451 2 3 4 5 67Numeric Stack Command Stack12345234541234567• Operations of the same precedence are performed fromright to left.

– 38 –k Input RangesInternal digits: 12Accuracy*: As a rule, accuracy is ±1 at the 10th digit.Functions Input Rangesinx DEG 0 x 4.4999999991010RA

– 3 –• The displays and illustrations (such as key markings)shown in this User’s Guide are for illustrative purposesonly, and may differ somewhat from

– 39 –Functions Input Rangex!0 x  69 (x is an integer)nPr0 n  11010, 0 r  n (n, r are integers)1 {n!/(n–r)!}  110100nCr0 n  11010, 0 r 

– 40 –Power SupplyThis calculator is powered by a single AA-size battery.Replacing the BatteryDim figures on the display of the calculator indicate th

– 41 –SpecificationsPower Supply: Single AA-size battery (R6P (SUM-3))Battery Life: Approximately 17,000 hours continuousdisplay of flashing cursor.Ap

SA0311-C Printed in ChinaCA310107-001V03CASIO COMPUTER CO., LTD.6-2, Hon-machi 1-chomeShibuya-ku, Tokyo 151-8543, Japan

– 4 –•Avoid use and storage in areas subjected to largeamounts of humidity and dust.Take care never to leave the calculator where it mightbe splashed

– 5 –ContentsRemoving and Replacing theCalculator’s Cover ... 1Safety Precautions ... 2H

– 6 –kSquare Roots, Cube Roots, Roots, Squares,Cubes, Reciprocals, Factorials, Random Numbers,π, and Permutation/Combination ...

– 7 –Two-line DisplayThe two-line display makes it possible to viewboth the calculation formula and its result atthe same time.• The upper line shows

– 8 –• In this manual, the name of the mode you need to enterin order to perform the calculations being described isindicated in the main title of eac