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Casio fx-260, Training Manual

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CASIO  FX 260

   

SOLAR SCIENTIFIC CALCULATOR 

9

  

Logarithmic Functions

 

You can find logarithms, natural logarithms, and antilogarithms.

 

g 

Calculates the common logarithm of the displayed value.  

 

  

100g 

 h 

Calculates the natural logarithm (base 

e

) of the displayed value. 

 

  

90h

 q

10

x

g

 

Calculates the common antilogarithm of the displayed value,  

 

   

which is 10 raised to the power of the value.  

 

  

2q

10

x

g

 q

e

x

G

 

Calculates the natural antilogarithm of the displayed value,  

 

   

which is 

e

 raised to the power of the value. 

 

  

1q

e

x

G

Summary of Contents for fx-260

Page 1: ...r Scientific Calculator Training Guide Basic scientific calculator Solar powered Ability to fix decimal places Backspace key to fix entry mistakes Single variable statistics The ONLY calculator that is GED approved ...

Page 2: ...culations Powers and Roots Internal Rounding PROBABILITY Random Number Generation Permutations and Combinations Factorials MEMORY Memory Calculations TRIGONOMETRY Trigonometric Inverse Trigonometric Functions Hyperbolic Inverse Hyperbolic Functions Coordinate Conversion Sexagesimal Functions Degrees Minutes Seconds Logarithmic Functions STATISTICS Entering and Analyzing Statistical Data ...

Page 3: ...rees MODE 4 DEG Calculations using radians MODE 5 RAD Calculations using gradients MODE 6 GRA Specify number of places MODE 7 x of decimal places and ranges from 0 9 FIX Specify number of significant digits to display MODE 8 x of significant places and ranges from 0 9 SCI Cancels FIX and SCI settings MODE 9 NORM n Display indicators show the current mode setting If there is no display shown this i...

Page 4: ...sure to press Cwhen beginning a new calculation mM Addition subtraction multiplication and division p Performs calculation Changes the sign of a displayed value you must enter the value first Left and right parentheses Note The calculator uses order of operations For example for 2 3 4 you do not need parentheses around 3 4 The calculator will calculate 3 4 then add 2 L π c This will input the nume...

Page 5: ...s and Simplification n Use the COMP mode for fraction calculations n You can perform addition subratction multiplication and division n The result of a calculation that fractions and decimal values are displayed as a decimal value n You can enter a fraction using the zkey n The total number of digits including division marks cannot exceed 10 Be sure to press C when beginning a new calculation z In...

Page 6: ...entage 85 by 10 85m10L p 76 5 Percent change when a value is increased from 30 to 36 36 30L p 20 Percent of increase when an amount is added 300cc is added to 500cc 300 500L p 160 Powers and Roots d Squares a number Example 5d q Cubes a number Example 3q Raises a number to a power other than 2 or 3 Example 2 x y 4p q 1 x Calculates the reciprocal of the displayed value Example 3q 1 x qd Calculates...

Page 7: ...neration q RAN Generates a random number between 0 and 0 999 Permutations and Combinations q nPr 1 A permutation is a selection of objects in which the order matters Example To determine the number of possible different arrangements using 4 items selected from 10 items 10q nPr 14p 5040 q nCr 2 A combination is a selection of objects from a collection and order is irrelevant Example To determine th...

Page 8: ...ry is convenient for calculating cumulative totals m Adds displayed value to memory R Recalls the value stored in memory qm M Subtracts the displayed value from memory q R Min Replaces the current memory contents with the displayed value To clear memory press 0q R Min or Cq R Min ...

Page 9: ...e or arctangent of the displayed angle Example in degree mode 30cq Sin 1 h OR 30qc Sin 1 h 4 094622224 Coordinate Conversion You can convert between rectangular and polar coordinates Make sure you are using the correct angle unit D R G before staring your calculation q R P Rectangular to polar coordinate conversion q P R Polar to rectangular coordinate conversion q Use this operation to switch bet...

Page 10: ...on logarithm of the displayed value 100g h Calculates the natural logarithm base e of the displayed value 90h q 10x g Calculates the common antilogarithm of the displayed value which is 10 raised to the power of the value 2q 10x g q ex G Calculates the natural antilogarithm of the displayed value which is e raised to the power of the value 1q ex G ...

Page 11: ... inputting new data m DATA Inputs the displayed value as data Press m DATA twice to input two entries if the same value NOTE This is the mkey q Deletes the displayed value as data NOTE You can input multiple entries of the same data using O To input 100 ten times press 100O10m DATA q n 6 After entering data you can retrieve the following values q σn 1 9 Sample standard deviation q σn 8 Population ...

Page 12: ...CASIO FX 260 SOLAR SCIENTIFIC CALCULATOR 11 ...

Page 13: ...CASIO FX 260 SOLAR SCIENTIFIC CALCULATOR 12 NOTES ...

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