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Casio fx-9750G Manual

1. basic operation
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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 fx-9750G

  • Page 1: Basic Operation

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

  • 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”. 1 (Deg) ..
  • Page 3 1 - 1 Before Starting Calculations... u u u u u To specify the number of decimal places (Fix) Example To specify two decimal places. 2 3 4 5 6 1 (Fix) 4 5 6 3 (2) Press the function key that corresponds to the number of decimal places you want to specify ( = 0 ~ 9).
  • Page 4 1 - 1 Before Starting Calculations... u u u u u To specify the exponential display range (Norm 1/Norm 2) Press 3 (Norm) to switch between Norm 1 and Norm 2. Norm 1: 10 –2 (0.01)>|x|, |x| >10 Norm 2: 10 –9 (0.000000001)>|x|, |x| >10 u u u u u To specify the engineering notation display (Eng)
  • Page 5 1 - 1 Before Starting Calculations... k k k k k Inputting Calculations When you are ready to input a calculation, first press Ato clear the display. Next, input your calculation formulas exactly as they are written, from left to right, and press w to obtain the result.
  • Page 6 1 - 1 Before Starting Calculations... 0 +, – ! Relational operator =, G , >, <, , @ And, and # Or, or, xor, xnor • When functions with the same priority are used in series, execution is performed from right to left.
  • Page 7 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 .
  • Page 8 1 - 1 Before Starting Calculations... 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.
  • Page 9 1 - 1 Before Starting Calculations... k k k k k Graphic Display and Text Display The unit uses both a graphic display and a text display. The graphic display is used for graphics, while the text display is used for calculations and instructions. The con- tents of each type of display are stored in independent memory areas.
  • Page 10 1 - 1 Before Starting Calculations... u u u u u To insert a step Example To change 2.36 to sin2.36 c.dgx ddddd • When you press ![a space is indicated by the symbol ‘‘t’’. The next func- tion or value you input is inserted at the location of ‘‘t’’. To abort the insert opera- tion without inputting anything, move the cursor, press ![again, or press d, e or w.
  • Page 11 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 and .
  • Page 12 1 - 2 Memory Example To assign a value of 10 to variables A through F Abaa!aA 3(~)Fw k k k k k Function Memory P.31 Function memory is convenient for temporary storage of often-used expressions. For longer term storage, we recommend that you use the GRAPH Mode for expres- sions and the PRGM Mode for programs.
  • Page 13 1 - 2 Memory u u u u u To recall a function Example To recall the contents of function memory number 1 K6(g)6(g)3(FMEM)A 3 4 5 6 2(RCL) 2 3 4 5 6 • The recalled function appears at the current location of the cursor on the display. u u u u u To display a list of available functions K6(g)6(g)3(FMEM) 1 2 3...
  • Page 14 1 - 2 Memory 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. This feature is very useful for quick and easy input of functions when programming or graphing.
  • Page 15 1 - 2 Memory 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 16 1 - 2 Memory k k k k k Clearing Memory Contents You have a choice of two differenct procedures that you can use to clear memory contents. • Clearing specific data within a selected data type • Clearing all data within a specific data type u u u u u To clear specific data within a selected data type 1.

  • Page 17: 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. u u u u u Option Menu in the RUN and PRGM Modes 1 2 3 4 5 6 1 (LIST) ..
  • Page 18 1 - 3 Option (OPTN) Menu u u u u u Option Menu during numeric data input in the STAT, MAT, LIST, TABLE, RECUR and EQUA Modes 1 2 3 4 5 6 6(g) 1 2 3 The meanings of the option menu items are described in the sections that cover each mode.

  • Page 19: Variable Data (Vars) Menu

    1-4 Variable Data (VARS) Menu You can use the variable data menu to recall the data listed below. • View Window values • Enlargement/reduction factor • Single-variable/paired-variable statistical data • Graph functions • Dynamic Graph set up data • Table & Graph table range and table contents •...
  • Page 20 1 - 4 Variable Data (VARS) Menu u u u u u To recall View Window values Pressing 1 (V-WIN) while the variable data menu is on the screen displays a View P.127 Window value menu. 1 (V-WIN) 1 2 3 4 5 6 1 (X) ....
  • Page 21 1 - 4 Variable Data (VARS) Menu u u u u u To recall single/paired-variable statistical data Pressing 3 (STAT) while the variable data menu is on the screen displays a statis- tical data menu. 3(STAT) 1 2 3 4 1 (X) ....
  • Page 22 1 - 4 Variable Data (VARS) Menu 6 (g) 1 2 3 ) ..data sample standard deviation 2 (minY) ..data minimum value 3 (maxY) ..data maximum value 6 (g) ... Previous menu The following menu appears whenever you press 3 (GRPH) while the statistical data menu is on the display.
  • Page 23 1 - 4 Variable Data (VARS) Menu Input a storage area number and then press one of the following function keys to recall the corresponding graph function stored in that storage area. 1 (Y) .... Rectangular coordinate or inequality function ) .....
  • Page 24 1 - 4 Variable Data (VARS) Menu u u u u u To recall Table & Graph table range and table content data Pressing 6 (g) and then 1 (TABL) while the variable data menu is on the screen displays a Table & Graph data menu. 6 (g)1 (TABL) 1 2 3 4 1 (Strt) ..
  • Page 25 1 - 4 Variable Data (VARS) Menu To recall recursion formula data The following menu appears whenever you press 1 (FORM) while the recursion data menu is on the display. P.250 1 (FORM) 1 2 3 4 5 6 ) ... expression ) ..
  • Page 26 1 - 4 Variable Data (VARS) Menu To recall matrix of table contents Whenever you press 3 (Reslt) while the recursion data menu is on the display, the recursion formula numeric table appears on the screen in matrix format. • This operation is available only from the RUN or PRGM Mode. Example To recall the contents of the numeric table for recursion formula + 1, while the table range is Start=1 and End=6...
  • Page 27 1 - 4 Variable Data (VARS) Menu Example 1 To recall the solutions for the following linear equations with two unknowns = 14 1(S-Rlt) Example 2 To recall the coefficients for the following linear equations with three unknowns – 2 = –1 –5 = –7...
  • Page 28 1 - 4 Variable Data (VARS) Menu • The coefficients and solutions recalled by the above operation are stored auto- matically in Matrix Answer Memory (MatAns). • When the solutions for a linear equation with 2 through 6 unknowns contain com- plex numbers, only the real number parts are stored in Matrix Answer Memory (MatAns).

  • Page 29: Program (Prgm) Menu

    1-5 Program (PRGM) Menu To display the program menu, first enter the RUN or PRGM Mode from the Main Menu, and then press ! W. 1 2 3 4 5 6 1 (COM) ..Program command menu 2 (CTL) ..Program control command menu 3 (JUMP) ..