Sight Enhancement Systems SciPlus-2300 Скачать руководство пользователя страница 20 | Manualshive

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Sight Enhancement Systems SciPlus-2300 Скачать руководство пользователя страница 20

!

Page!16!of!28!

!

version!1.0!

Statistical&Operations&

The!SciPlusA2300!performs!statistical!operations!on!a!table!of!up!to!99!entries.!!Note!that!most!statistical!
operations!with!the!SciPlusA2300!use!the!soft!keys!AAD.!!
!

KEY&

NAME&

DESCRIPTION&

!

Add!Data!Point!in!

Stats!Register!

!Adds!the!current!value!into!the!statistics!table.!!!If!pressed!at!the!end!
of!an!expression,!the!expression!is!solved,!and!the!result!added.!!Note!
that!if!a!value!already!exists!in!the!table,!it!will!be!added!a!second!time.!
!
e.g.:!!

2

Σ

+ 3

Σ

+ 5

Σ

+ 3

!!will!create!a!table!(2,!3,!5,!3)!

!

Display!Statistics!

Soft!Keys!

This!key!causes!the!statistics!soft!keys!to!be!displayed.!!Note!that!there!
are! two! sets.! ! Pressing! this!

2

nd

Σ

! ! a! second! time! will! bring! up! the!

second!set!of!soft!keys.!!A!third!time!will!disable!the!soft!keys.!!

!
Soft!keys!AAD!are!used!to!perform!various!statistical!operations.!!Statistics!soft!keys!are!shown!on!the!
opposite!page.!!Note!that!!μ!!Σ(x)!!!Σ(x

2

)!!!σ!!!σ

2

!!!and!!!M!!can!all!be!used!in!expressions.!

+

+

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Содержание SciPlus-2300

Страница 1: ...User Guide...

Страница 2: ......

Страница 3: ...splay 3 SciPlus72300 Operations 4 Working with Previous Results 5 Auto Shutoff 5 Settings 6 Basic Functions 10 Mathematical Functions 12 Memory Operations 14 Statistical Operations 16 Trigonometry 18...

Страница 4: ...Service 28 Warranty 28...

Страница 5: ...g Started The SciPlus calculator performs a wide variety of mathematical statistical and trigonometric calculations This User Guide will explain how to get the best from your calculator Let s first ge...

Страница 6: ...e ensure that these items are in the box Adjusting the Display Contrast There is a dial on the right hand side of the SciPlusA2300 that you can use to adjust the contrast of the display Note that this...

Страница 7: ...rs above the horizontal line at the top of the screen show the status line of the calculator If the battery symbol is animated this indicates that the battery is being charged Some of the characters i...

Страница 8: ...yellow font To access this function the 2nd key must first be pressed Throughout the key descriptions below if a key symbol appears in a yellow background this indicates that the 2nd key must be pres...

Страница 9: ...previous result that you wish to insert into the current expression and press Auto Shutoff Your SciPlusA2300 calculator will automatically shut off after five minutes of inactivity Many of the calcula...

Страница 10: ...ngs There are four settings screens in the SciPlusA2300 accessed by the key Cycle through the four settings screens using the and arrows or by entering 1 through 4 Change settings in any of the three...

Страница 11: ...tation Number of decimals is fixed Examples 101 00 41250 50 0 33 Scientific Notation Numbers are displayed in powers of ten with a fixed number of decimals Examples 1 01E 02 4 13E 04 3 30EA01 Engineer...

Страница 12: ...shorten the duration of a battery charge from weeks to hours For this reason the SciPlusA200 always powers on with the backlight turned off Screen Inversion Often people with low vision are able to b...

Страница 13: ...User Manual Speech Output Use the AAB softkeys to select the language Normally your SciPlusA 2300 will speak in English EN and one additional language as ordered from the factory German in this examp...

Страница 14: ...session will remain as they were OFF Save settings memory and statistics data and turn calculator OFF Backspace Delete last entry or function Enter Resolves the current expression displaying the resul...

Страница 15: ...ION Close Parentheses Close parentheses Change Sign Change the sign of the operand After some operands e g this operation will insert a negative sign into the expression Scientific Notation This is eq...

Страница 16: ...the expression is simply a number with the operator the result of the expression is the number divided by 100 If the operator is appended to a number which is itself to the right of the A or operator...

Страница 17: ...2 4 followed by yields 4 or 2 nth Root Calculates the nth root of a value e g 3 n 8 followed by yields the 3 8 or 2 LOG Calculates the base10 logarithm of an expression e g LOG 25 4 followed by yield...

Страница 18: ...nt line and perform simple arithmetic operations A on the value stored in memory using the current line Memory soft keys are shown on the opposite page In this example the value 15 resides in the curr...

Страница 19: ...E 00 15 D SCI 2 M STO 1st set of operators 2nd set of operators exchange 15 with memory value mulitply memory by 15 divide memory by 15 M indicates there is a value in memory clear and store 15 Places...

Страница 20: ...pression is solved and the result added Note that if a value already exists in the table it will be added a second time e g 2 3 5 3 will create a table 2 3 5 3 Display Statistics Soft Keys This key ca...

Страница 21: ...s 1 36E 02 2 70E 00 15 D SCI 2 2 CLR x x2 2 M 1st set of operators 2nd set of operators sum of entries mean average of entries variance median middle entry delete 15 from table if present clear table...

Страница 22: ...yields 0 5 Arcsine Calculates the inverse sine arcsine of an expression e g assume degrees ASIN 0 5 followed by yields 30 Set Angle Mode This simply toggles through Degrees Radians Gradians The curren...

Страница 23: ...minutes seconds e g DMS 45 5 followed by yields 45 30 0 00 Note that if the second line is in DD format entering DMS followed by converts that value into DMS format DMS to Decimal Degrees Converts deg...

Страница 24: ...d by yields 1 41 45 00 Note that if the result line is in rectangular x y format entering P R followed by converts that value into polar r format Polar to Rectangular Converts polar r coordinates into...

Страница 25: ...ed as either fractions or integer numbers e g 2 XY Z 4 3 6 followed by yields 6 1 2 2 0 XY Z 4 3 6 followed by yields 6 5 Note that the fraction command always requires the following syntax an integer...

Страница 26: ...n Line The top line shows the equation that is being evaluated Note that equations are in the form y f a b c x and can have up to four variables a b c and x Of course convention normally considers a b...

Страница 27: ...Second set of operators Push f x again This second set of soft keys allows you to define values for the variables a b c x Third set of operators Push f x a third time This third set of soft keys allo...

Страница 28: ...D is x in this case as follows a x2 2 b c x c Once you press the key the equation will be displayed in the top line Of course if the equation contains a syntax error you will see an error message For...

Страница 29: ...he middle line it means that not all of the necessary variables have been entered yet Zero values must be entered as such 5 Changing variables At any point you can change one of the values of a b c x...

Страница 30: ...tions mode Note that you don t need to enter the equation first and the variables second You can start by entering variables If you enter variables that are not in the equation they will be ignored If...

Страница 31: ...such as not closing a bracket or dividing by zero In this case you ll get a SYNTAX ERROR message like the image at left You might see other types of error messages such as INVALID ARGUMENT or INFINITE...

Страница 32: ...SciPlusA2300 was purchased A description of the problem The robustness of Sight Enhancement Systems SciPlus calculator is legendary and you should enjoy years of reliable operation Warranty The SciPl...

Страница 33: ...364 Huron Avenue South Ottawa Ontario K1Y 0W7 CANADA www sightenhancement com...

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