Casio CFX-9970G Product Manual
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Casio CFX-9970G Product Manual

Casio CFX-9970G Product Manual

Casio graphing calculator product manual
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Download this manual See also: Programming Manual, Function Manual

Basic Operation

1-1
Before Starting Calculations...
1-2
Memory
1-3
Option (OPTN) Menu
1-4
Variable Data (VARS) Menu
1-5
Program (PRGM) Menu
Chapter
1

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Summary of Contents for Casio CFX-9970G

  • Page 1: Basic Operation

    Basic Operation Before Starting Calculations... Memory Option (OPTN) Menu Variable Data (VARS) Menu Program (PRGM) Menu Chapter...

  • Page 2: Before Starting Calculations

    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”. 2.
  • Page 3 To specify the engineering notation display (Eng) Press 4 (Eng) to switch between engineering notation and standard notation. The indicator “/E” is on the display while engineering notation is in effect. The following are the 11 engineering notation symbols used by this calculator. Symbol Meaning...
  • Page 4 Example 2 Ac(f+e)/ (cd*f)w k k k k k Calculation Priority Sequence This calculator employs true algebraic logic to calculate the parts of a formula in the following order: 1 Coordinate transformation Pol ( Differentials, quadratic differentials, integrations, Min, Max, Median, Mean, Augment, Mat List, List...
  • Page 5 ! 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. ·When functions with the same priority are used in series: {In( ·When power calculations are used in series in the ALGBR Mode: [5^3^2...
  • Page 6 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 . An error occurs if you perform a calculation so complex that it exceeds the capacity of available numeric value stack or command stack space, or if execution of a program subroutine exceeds the capacity of the subroutine stack.
  • Page 7 • When an attempt is made to use approx with an expression that generates an error unique to the ALGBR Mode (Ma ERROR). • Other errors can occur during program execution. Most of the calculator’s keys are inoperative while an error message is displayed. You can resume operation P.450...
  • Page 8 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, Some of the functions that take up two bytes are d/dx(, Mat, Xmin, If, For, Return, DrawGraph, SortA(, PxIOn, Sum, and When the number of bytes remaining drops to five or below, the cursor automati-...
  • Page 9 u u u u u To delete a step Example To change 369 dgj**c u u u u u To insert a step Example To change 2.36 c.dgx ddddd • When you press ![ the insert location is indicated by the symbol ‘‘t’’. The next function or value you input is inserted at the location of ‘‘t’’.
  • Page 10 1-2 Memory k k k k k Variables This calculator comes with 28 variables as standard. You can use variables to store values to be used inside of calculations. Variables are identified by single- letter names, which are made up of the 26 letters of the alphabet, plus The maximum size of values that you can assign to variables is 15 digits for the mantissa and 2 digits for the exponent.
  • Page 11 k k k k k Function Memory 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. P.27 • {STO}/{RCL}/{fn}/{SEE} ... {function store}/{function recall}/{function area specification as a variable name inside an expression}/{function list} u u u u u To store a function Example...
  • Page 12 1 - 2 Memory u u u u u To delete a function Example K6(g)6(g)3(FMEM)A 1(STO) 1(f • Executing the store operation while the display is blank deletes the function in the function memory you specify. u u u u u To use stored functions Once you store a function in memory, you can recall it and use it for a calculation.
  • Page 13 2. Press c w to display the memory status screen. Number of bytes still free 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.
  • Page 14 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.

  • Page 15: Option (Optn) Menu

    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 differ according to the mode you are in when you press the K key.

  • Page 16: Variable Data (Vars) Menu

    1-4 Variable Data (VARS) Menu To recall variable data, press J to display the variable data menu. See the Command List at the back of this user’s guide for details on the variable data (VARS) menu. • Note that the EQUA and TVM items appear for function keys (3 and 4) only when you access the variable data menu from the RUN or PRGM Mode.
  • Page 17 • { } ... population standard deviation of { • { } ... sample standard deviation of { • {minX}/{minY} ... minimum value of { • {maxX}/{maxY} ... maximum value of { u u u u u {GRPH} ...{graph data menu} The following are the items that appear in the above menu.
  • Page 18 1 - 4 Variable Data (VARS) Menu k k k k k GRPH — Recalling Graph Functions Selecting {GRPH} from the VARS menu displays the graph function recall menu. P.156 • {Y}/{r} ... {rectangular coordinate or inequality function}/{polar coordinate function} •...
  • Page 19 Example To recall the contents of the numeric table for the function 4(Reslt)w k k k k k RECR — Recalling Recursion Formula, Table Range, and Table Content Data Selecting {RECR} from the VARS menu displays the recursion data recall menu. u u u u u {FORM} ...
  • Page 20 1 - 4 Variable Data (VARS) Menu • 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.
  • Page 21 • 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).

  • Page 22: Program (Prgm) Menu

    1-5 Program (PRGM) Menu To 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. • {COM} … {program command menu} •...

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