Casio FX-912MS manuale d’uso

E http://world.casio.com/edu_e/ f x-100MS f x-115MS ( fx-912MS) User’s Guide 2 ( Additional Functions) k fx-912MS owners Please be sure to read the impor tant notice of this manual.[...]

CASIO ELECTRONICS CO., LTD . Unit 6, 1000 North Circular Road, London NW2 7JD, U.K. Please keep y our manual and all information handy for future reference . Important![...]

E-1 Contents Bef ore g etting started... .......................... 2 k Modes .................................................................... 2 Mathematical Expression Calculations and Editing Functions ............................ 3 k Replay Cop y ........................................................... 3 k CALC Memory ....................[...]

E-2 Befor e getting star ted... k Modes Before starting a calculation, you must first enter the correct mode as indicated in the table belo w . • The following table shows the modes and required operations for the fx-100MS and fx-115MS. fx-100MS and fx-115MS Modes • Pressing the F ke y more than three times displa ys additional setup screens. S[...]

E-3 • Mode indicators appear in the upper par t of the displa y , except for the BASE indicators, which appear in the ex ponent par t of the display . • Engineering symbols are automatically turned off while the calculator is the BASE Mode. •Y ou cannot make changes to the angle unit or other display format (Disp) settings while the calculato[...]

E-4 COMP CMPLX •Y ou can also edit e xpressions on the display and per- form other multi-statement operations. For more details about using multi-statements, see “Multi-statements” in the separate “User’ s Guide. ” • Only the expressions in replay memory starting from the currently displayed expression and continuing to the last e xpr[...]

E-5 COMP 1 2 Use the f or mula below to calculate initial v elocity A for a height of B = 14 meters and a time of C = 2 seconds. Gravitational acceleration is D = 9.8 m/s 2 . (Result: A = 16.8 ) B  AC – DC 2 p 2 p u p 1 - p k , R 1 2 T - p h - p k K A I (B?) 14 = (A?) ] (C?) 2 = (D?) 9 l 8 = [ [ (A?) A I • The SOL VE function finds approxi[...]

E-6 To input this symbol: Perform this key operation: Unit k (kilo) A k 10 3 M (Mega) A M 10 6 G (Giga) A g 10 9 T (T era) A t 10 12 m (milli) A m 10 –3 µ (micro) A N 10 –6 n (nano) A n 10 –9 p (pico) A p 10 –12 f (femto) A f 10 –15 1 Disp •T o turn engineer ing symbols on and off, press the F key a number of times until you reach the [...]

E-7 CMPLX A P 0.9 J 900. 9 ⫼ 1 m Complex Number Calculations Use the F key to enter the CMPLX Mode when you want to perform calculations that include complex numbers. CMPLX ........................................................... F 2 • The current angle unit setting (Deg, Rad, Gr a) affects CMPLX Mode calculations. Y ou can store an expres- [...]

E-8 Imaginary axis Real axis k Absolute V alue and Argument Calculation Supposing the imaginary number expressed by the rectangular form z = a + bi is represented as a point in the Gaussian plane, you can determine the absolute value ( r ) and argument ( ␪ ) of the comple x number . The polar form is r ⬔ ␪ . • Example 1: To determine the ab[...]

E-9 B ASE •Y ou select rectangular f or m ( a + bi ) or polar f or m ( r ⬔ ␪ ) for display of complex number calculation results. F ... 1 (Disp) r 1 ( a + bi ): Rectangular form 2 ( r ⬔ ␪ ): Polar form (indicated by “ r ⬔ ␪ ” on the display) k Conjugate of a Complex Number For any complex number z where z = a + bi , its conjugate [...]

E-10 •Y ou can use the f ollowing logical operators between values in Base- n calculations: and (logical product), or (logical sum), xor (exclusive or), xnor (exclusive nor), Not (bitwise complement), and Neg (negation). • The following are the allowable ranges for each of the available number systems. Binary 1000000000 ⬉ x ⬉ 1111111111 0 ?[...]

E-11 1 2 3 4 P ( Q ( R ( → t SD REG SD • Example 4: To c o n v er t the value 22 10 to its binary , oc- tal, and hexadecimal equivalents. (10110 2 , 2 6 8 , 1 6 16 ) Binary mode: t b 0. b l l l 1 (d) 22 = 10110. b Octal mode: o 26. o Hexadecimal mode: h 16. H • Example 5: To conv er t the value 513 10 to its binary equivalent. Binary mode: t [...]

E-12 COMP Differ ential Calculations The procedure described below obtains the derivative of a function. Use the F key to enter the COMP Mode when you w ant to perf or m a calculation inv olving differentials . COMP ............................................................ F 1 • Three inputs are required f or the differential e xpression: the [...]

E-13 COMP •Y ou can omit input of ∆ x , if y ou want. The calculator automatically substitutes an appropriate value for ∆ x if you do not input one. •D iscontinuous points and extreme changes in the value of x can cause inaccurate results and errors. Integration Calculations The procedure described below obtains the definite integral of a f[...]

E-14 Power Supply The type of battery you should use depends on the model n umber of y our calculator . fx-115MS The TW O W A Y PO WER system actually has two power supplies: a solar cell and a G13 T ype (LR44) button battery . Normally , calculators equipped with a solar cell alone can operate only when relativ ely bright light is present. The TWO[...]

E-15 fx-100MS This calculator is powered b y a single AA-size battery . •R eplacing the Battery Dim figures on the displa y of the calculator indicate that battery power is low . Continued use of the calculator when the battery is low can result in improper operation. Replace the battery as soon as possible when displa y figures become dim. • T[...]

E-16 Specifications Po wer Supply: fx-100MS: Single AA-size battery (R6P(SUM-3)) fx-115MS: Solar cell and a single G13 T ype button battery (LR44) Battery Life: fx-100MS: Approximately 17,000 hours contin uous display of flashing cursor . Appro ximately 2 years when left with power tur ned off. fx-115MS: Approximately 3 y ears (1 hour use per day).[...]

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