Gebruiksaanwijzing /service van het product CFX-9970G van de fabrikant Casio
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Basic Operation 1-1 Before Starting Calculations... 1-2 Memory 1-3 Option (OPTN) Menu 1-4 V ariable Data (V ARS) Menu 1-5 Program (PRGM) Menu 1 Chapter.
14 1-1 Before Starting Calculations... Before performing a calculation for the first time, you should use the set up screen to specify the angle unit and display format. k k k k k Setting the Angle Unit (Angle) 1. Display the set up screen and use the f and c keys to highlight “Angle”.
15 Symbol Meaning Unit E Exa 10 18 P Peta 10 15 T T era 10 12 G Giga 10 9 M Mega 10 6 k kilo 10 3 Before Starting Calculations... 1 - 1 u u u u u T o specify the number of significant digits (Sci) Exa.
16 1 - 1 Before Starting Calculations... k k k k k Inputting Calculations When you are ready to input a calculation, first press A to clear the display . Next, input your calculation formulas exactly as they are written, from left to right, and press w to obtain the result.
17 ! Relational operator =, G , >, <, ≥ , ≤ @ And, and # Or , or, xor , xnor • Execution is normally performed from left to right, except in the following cases when it is performed from right to left.
18 1 - 1 Before Starting Calculations... k k k k k Stacks The unit employs memory blocks, called stacks , for storage of low priority values and commands. There is a 10-level numeric value stack , a 26-level command stack , and a 10-level program subroutine stack .
19 k k k k k Overflow and Errors Exceeding a specified input or calculation range, or attempting an illegal input causes an error message to appear on the display . Further operation of the calculator is impossible while an error message is displayed.
20 1 - 1 Before Starting Calculations... k k k k k Memory Capacity Each time you press a key , either one byte or two bytes is used. Some of the functions that require one byte are: b , c , d , sin, cos, tan, log, In, , and π .
21 Before Starting Calculations... 1 - 1 u u u u u T o delete a step Example T o change 369 × × 2 to 369 × 2 dgj**c dd D u u u u u T o insert a step Example T o change 2.36 2 to sin2.36 2 c.dg x ddddd ![ s • When you press ![ the insert location is indicated by the symbol ‘ ‘ t ’’ .
22 1-2 Memory k k k k k V ariables This calculator comes with 28 variables as standard. Y ou can use variables to store values to be used inside of calculations. V ariables are identified by single- letter names, which are made up of the 26 letters of the alphabet, plus r and θ .
23 Memory 1 - 2 k k k k k Function Memory [OPTN] - [FMEM] Function memory is convenient for temporary storage of often-used expressions. For longer term storage, we recommend that you use the GRAPH Mode for expressions and the PRGM Mode for programs. •{ STO } / { RCL } / { fn } / { SEE } .
24 u u u u u T o delete a function Example T o delete the contents of function memory number 1 K 6 ( g ) 6 ( g ) 3 (FMEM) A 1 (STO) 1 (f 1 ) • Executing the store operation while the display is blank deletes the function in the function memory you specify.
25 2. Press c w to display the memory status screen. 3. Use f and c to move the highlighting and view the amount of memory (in bytes) used for storage of each type of data. The following table shows all of the data types that appear on the memory status screen.
26 1 - 2 Memory k k k k k Clearing Memory Contents Use the following procedure to clear data stored in memory . 1. In the memory status screen, use f and c to move the highlighting to the data type you want to clear . If the data type you select in step 1 allows deletion of specific data 2.
27 1-3 Option (OPTN) Menu The option menu gives you access to scientific functions and features that are not marked on the calculator ’s keyboard. The contents of the option menu dif fer according to the mode you are in when you press the K key . See the Command List at the back of this user ’s guide for details on the option (OPTN) menu.
28 1-4 V ariable Data (V ARS) Menu T o recall variable data, press J to display the variable data menu. { V-WIN } / { FACT } / { ST A T } / { GRPH } / { DYNA } / { T ABL } / { RECR } / { EQUA } / { TVM } See the Command List at the back of this user ’s guide for details on the variable data (V ARS) menu.
29 •{ x σ n } / { y σ n } ... population standard deviation of { x -data}/{ y -data} •{ x σ n -1 } / { y σ n -1 } ... sample standard deviation of { x -data}/{ y -data} •{ minX } / { minY } ... minimum value of { x -data}/{ y -data} •{ maxX } / { maxY } .
30 P .156 1 - 4 V ariable Data (V ARS) Menu P .207 k k k k k GRPH — Recalling Graph Functions Selecting {GRPH} from the V ARS menu displays the graph function recall menu. •{ Y } / { r } ... {rectangular coordinate or inequality function}/{polar coordinate function} •{ Xt } / { Yt } .
31 Example T o recall the contents of the numeric table for the function y = 3 x 2 – 2, while the table range is Start=0 and End=6, and pitch=1 4 (Reslt) w k k k k k RECR — Recalling Recursion Formula, T able Range, and T able Content Data Selecting {RECR} from the V ARS menu displays the recursion data recall menu.
32 • The table contents recalled by the above operation are stored automatically in Matrix Answer Memory (MatAns). • An error occurs if you perform the above operation when there is no function or recursion formula numeric table in memory .
33 • The coefficients and solutions recalled by the above operation are stored automatically in Matrix Answer Memory (MatAns). • When the solutions for a linear equation with 2 through 6 unknowns contain complex numbers, only the real number parts are stored in Matrix Answer Memory (MatAns).
34 1-5 Program (PRGM) Menu T o display the program (PRGM) menu, first enter the RUN or PRGM Mode from the Main Menu and then press ! W . The following are the selections available in the program (PRGM) menu.
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