Casio Fraction Mate ScientificEDWKBK55PLUS user manual

User manual for the device Casio Fraction Mate ScientificEDWKBK55PLUS

Device: Casio Fraction Mate ScientificEDWKBK55PLUS
Category: Calculator
Manufacturer: Casio
Size: 0.7 MB
Added : 10/2/2013
Number of pages: 20
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Summary of the content on the page No. 1

E
fx-55 PLUS
User’s Guide
CASIO Worldwide Education Website
http://edu.casio.com
CASIO EDUCATIONAL FORUM
http://edu.casio.com/forum/

Summary of the content on the page No. 2

Contents Important Information ..............................................................2 Sample Operations ...................................................................2 Initializing the Calculator .........................................................2 Safety Precautions ...................................................................2 Handling Precautions ...............................................................2 Removing the Hard Case ..................................

Summary of the content on the page No. 3

Important Information • The displays and illustrations (such as key markings) shown in this User’s Guide are for illustrative purposes only, and may differ somewhat from the actual items they represent. • The contents of this manual are subject to change without notice. • In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of this product and items that come with

Summary of the content on the page No. 4

• Do not subject the calculator to excessive impact, pressure, or bending. • Never try to take the calculator apart. • Use a soft, dry cloth to clean the exterior of the calculator. • Whenever discarding the calculator or batteries, be sure to do so in accordance with the laws and regulations in your particular area. * Company and product names used in this manual may be registered trademarks or trademarks of their respective owners. Removing the Hard Case Before using the calculator, sl

Summary of the content on the page No. 5

Reading the Display The display of the calculator shows expressions you input, calculation results, and various indicators. Math Indicators Input expression Calculation result • If a g indicator appears on the right side of the input expression, it means the displayed calculation continues to the right. Use e and d to scroll the input expression display. Display indicators This Means this: indicator: The keypad has been shifted by pressing the 1 key. The S keypad will unshift and this ind

Summary of the content on the page No. 6

3Fix 4Norm Specifies the number of digits for display of a calculation result. Fix: The value you specify (from 0 to 9) controls the number of decimal places for displayed calculation results. Calculation results are rounded off to the specified digit before being displayed. Example: L 100 ÷ 7 = 14.286 (Fix 3) 14.29 (Fix 2) Norm: Selecting one of the two available settings (Norm 1, Norm 2) determines the range in which results will be displayed in non-exponential format. Outside the

Summary of the content on the page No. 7

4 × (30 + 10 × 3) = 240 4 *( 30 + 10 * 3 )= Math Math 1 2 * * 1 * A multiplication symbol (×) can be omitted when it occurs immediately before an opening parenthesis, immediately before Rnd or RanInt# function that includes parentheses, immediately before the Ran# (random number) function, or immediately before independent memory (M) or π. 2 * The closing parenthesis immediately before the = operation can be omitted. 1 2 Input example omitting ** and )* operations in the above example

Summary of the content on the page No. 8

Inputting a Calculation Formula Your calculator lets you input calculator formulas using the same format as they appear in your textbook (natural format). Fractions and special functions 2 −1 (x , x^, ), x , 10^) are also displayed in a natural format. 63 Math Math L ! 63 = Math Math K ! 63 = Important: • Certain types of expressions can cause the height of a calculation formula to be greater than one display line. The maximum allowable height of a calculation formula is two display scree

Summary of the content on the page No. 9

Correcting and Clearing an Expression To delete a single character or function: Move the cursor so it is directly to the right of the character or function you want to delete, and then press Y. To insert a character or function into a calculation: Use d and e to move the cursor to the location where you want to insert the character or function and then input it. To clear all of the calculation you are inputting: Press A. Toggling Calculation Results Each press of F will toggle the currently

Summary of the content on the page No. 10

Percent Calculations Inputting a value and pressing & causes the input value to become a percent. 150 × 20% = 30 150 * 20 &= 30 Calculate what percentage of 880 is 660. (75%) 660 / 880 &= 75 Increase 2500 by 15%. (2875) 2500 + 2500 * 15 &= 2875 Discount 3500 by 25%. (2625) 3500 - 3500 * 25 &= 2625 Percent Conversion Calculation results can be converted to a percent. While a calculation result is displayed, press !&('%). Percent display can be up to 10 digits long. Pressing !&('%) again re

Summary of the content on the page No. 11

is the input format for a sexagesimal value: {degrees} $ {minutes} $ {seconds} $. Note: You must always input something for the degrees and minutes, even if they are zero. 2°20´30˝ + 39´30˝ = 3°00´00˝ 2 $ 20 $ 30 $+ 0 $ 39 $ 30 $= 3°0´0˝ Convert 2°15´18˝ to its decimal equivalent. 2 $ 15 $ 18 $= 2°15´18˝ (Converts sexagesimal to decimal.) $ 2.255 (Converts decimal to sexagesimal.) $ 2°15´18˝ Calculation History The calculator remembers up to approximately 200 bytes of data for the

Summary of the content on the page No. 12

123 + 456 = 579 123 + 456 = Math Math 789 – 579 = 210 (Continuing) 789 -G= Independent Memory (M) You can add calculation results to or subtract results from independent memory. The “M” appears on the display when there is any value other than zero stored in independent memory. To clear the contents of M 0 S 0 To assign the result of 2 + 8 to M 2 + 8 S 10 To add the result of 10 × 5 to M (Continuing) 10 * 5 l 50 To subtract the result o

Summary of the content on the page No. 13

Cases when Remainder Division becomes Non-remainder Division If either of the following conditions exists when you perform a remainder division operation, the calculation will be treated as normal (non-remainder) division. • When either the dividend or the divisor is a very large value Example: 20000000000 u 17 = → Calculated as: 20000000000 ÷ 17 • When the quotient is not a positive integer, or if the remainder is not a positive integer or positive fractional value Example: - 5 u 2 =

Summary of the content on the page No. 14

Examples To calculate 8 × 2π to three decimal places (Fix 3) 1 1 s3(Fix)3 L 8 * 2 p= 50.265 K 8 * 2 p= 16π π M 50.265 5 To calculate 10 × 0.12 A 5 e* 0.12 = 12000 2 2 3 1.2 × 10 = 1200 1.2 * 10 6 3 = 1200 3 3 2+2 3 = 81 3 6 2 + 2 = 81 2 5 = 25 5 x= 25 −1 4 = 0.25 L 4 E= 0.25 K 4 E!= 0.25 To calculate (= 3' = 4.242640687...) to three decimal ' 2 2 × 3 places (Fix 3) s3(Fix)3 L ! 2 e* 3 = 4.243 K ! 2 e

Summary of the content on the page No. 15

5 l= F=5, 6 5 l= 6 When further simplification is not possible, “Simplified” appears momentarily on the display and then the calculation result is displayed. 18 6 When a divisor of 3 is specified: = 21 7 6 18 ' 21 =l 3 = F=3, 7 6 or 18 ' 21 el 3 = F=3, 7 Calculation Ranges, Number of Digits, and Precision The calculation range, number of digits used for internal calculation, and calculation precision depend on the type of calculation you are performing. Calculation Range and Pre

Summary of the content on the page No. 16

10 10 | | | | RanInt#(a, b) a  b; a , b  1 × 10 ; b – a  1 × 10 Simp n 1  n  9999 (n is an integer) • Precision is basically the same as that described under “Calculation Range and Precision”, above. y • x type function requires consecutive internal calculation, which can cause accumulation of errors that occur with each calculation. • Error is cumulative and tends to be large in the vicinity of a function’s singular point and inflection point. • The range for calculation results that

Summary of the content on the page No. 17

Error Messages Math ERROR Cause: • The intermediate or final result of the calculation you are performing exceeds the allowable calculation range. • Your input exceeds the allowable input range (particularly when using functions). • The calculation you are performing contains an illegal mathematical operation (such as division by zero). Action: • Check the input values, reduce the number of digits, and try again. • When using independent memory as the argument of a function, make sure

Summary of the content on the page No. 18

Replacing the Battery A low battery is indicated by a dim display, even if contrast is adjusted, or by failure of figures to appear on the display immediately after you turn on the calculator. If this happens, replace the battery with a new one. Important: Removing the battery will cause all of the calculator’s memory contents to be deleted. 1. Press 1A(OFF) to turn off the calculator. • To ensure that you do not accidentally turn on power while replacing the battery, slide the hard case

Summary of the content on the page No. 19

Ans Memory: Stores the result of the last calculation performed. Use this memory to carry the result of one calculation on to the next. Independent Memory: Use this memory to totalize the results of multiple calculations. k How can I return the calculator to its initial default settings? Perform the following operation: r1(Setup)=(Yes) k Is there anything I need to remember to display a fraction calculation result as a mixed fraction? On the setup menu, select “Auto” for the “Simp” setti

Summary of the content on the page No. 20

CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan SA1112-A © 2012 CASIO COMPUTER CO., LTD.


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