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Sight Enhancement Systems SciPlus-2300 User Manual

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Summary of Contents for Sight Enhancement Systems SciPlus-2300

  • Page 1 User!Guide!

  • Page 3: Table Of Contents

    Table&of&Contents& Getting'Started' .............................................' 1 ! Charging'your'SciPlus72300' ........................................' 2 ! Adjusting'the'Display'Contrast'......................................' 2 ! Soft'Keys'................................................' 2 ! The'SciPlus72300'Display'........................................' 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' .
  • Page 4 Service'.................................................'28! Warranty'..............................................'28! &...

  • Page 5: Getting'started

    SciPlusA2300!Scientific!Calculator!–!User!Manual Getting&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!get!familiar! with!the!SciPlus!controls.!! “soft”)keys) “settings”) USB) contrast)dial) “speech”) earbud)jack) “ENTER”) ©!2014,!Sight!Enhancement!Systems! Page!1!of!28!

  • Page 6: Adjusting'the'display'contrast

    Charging&your&SciPlus82300& Charging!the!calculator!is!easy.!!Simply!plug!the!USB!wall!charger!into!a!regular!outlet,!and!plug!the!USB! cable!to!the!SciPlusA2300.!!The!calculator!will!receive!a!good!charge!overnight.!!The!SciPlusA2300!will! operate!for!many!weeks!between!charges.!!Note!that,!if!you!regularly!use!the!backlight,!the!battery!will! deplete!much!more!quickly.!!This!is!not!a!problem;!just!charge!it!up!and!you’re!good!to!go.!!Your!SciPlusA 2300!calculator!includes!a!USB!Wall!Charger!and!cord.!!Please!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!does!NOT!adjust!the!brightness!of!the!backlight;!that!is!done!through!the!settings! menu.!!You!may!find!that!adjusting!the!contrast!will!help!maintain!optimal!visibility!of!the!display!as!the! battery!depletes.! Soft&Keys& The!keys!labeled!‘A’!‘B’!‘C’!and!‘D’!do!not!have!a!specific!function.!!Instead,!labels!at!the!bottom!of!the! display!define!the!function!of!these!keys.!!If!there!are!no!labels,!these!keys!will!not!do!anything.!!You!will! use!these!keys!when!adjusting!the!SciPlusA2300’s!settings,!and!for!memory!and!statistics!operations.! Page!2!of!28! version!1.0!
  • Page 7 SciPlusA2300!Scientific!Calculator!–!User!Manual The&SciPlus82300&Display& 'function'(yellow'keys)' The!SciPlusA2300!screen!is!shown!at!right.!!Note! angle'notation:'Degrees,'Radians,'Gradians' that!there!are!four!lines.!!The!bottom!line!is!the! one!in!which!you!enter!expressions.!!The!other! display'notation:''' ;'Standard,'Fixed,'Engineering,'Scientific' three! lines! show! the! results! of! previous! value'saved'in'memory' operations.! ! Once! you! hit! the! ENTER! key,! an! expression!is!evaluated!and!it’s!result!is!moved! statistics'array'(2'entries)' up!a!line,!leaving!the!bottom!line!empty!to!enter! plugged'in' another!expression.!! battery'level' The! characters! above! the! horizontal! line! at! the! STD M Σ:2 top! of! the! screen! show! the! status% line! of! the!
  • Page 8 SciPlus82300&Operations& The!SciPlusA2300!follows!the!“BEDMAS”!rule!for!order!of!operations:! Brackets!!!Exponents!!!Divide!!!Multiply!!!Addition!!!Subtraction! Most! of! the! SciPlusA2300! keys! have! two! functions.! ! The! lower! function! appears! in! a! white! font.! ! The! alternate,!or!2 !function,!when!present,!appears!in!a!yellow!font.!!To!access!this!function,!the!2 !key! must! first! be! pressed.! ! Throughout! the! key! descriptions! below,! if! a! key! symbol! appears! in! a! yellow! background,!this!indicates!that!the!!2 !key!must!be!pressed!before!this!key!is!pressed.! Notes!regarding!nomenclature:!

  • Page 9: Working'with'previous'results

    SciPlusA2300!Scientific!Calculator!–!User!Manual Working&with&Previous&Results& When!entering!expressions!in!the!bottom!line,!it’s!very!easy!to!use!the!results!of!previous!calculations! displayed! in! the! lines! above! it.! ! Using! the! "! and! !! arrows,! position! the! cursor! at! the! location! in! the! expression! where! you! wish! to! insert! a! previous! result.! ! Now,! using! the! #! and! $! arrows,! select! the! previous!result!that!you!wish!to!insert!into!the!current!expression,!and!press! ↵...

  • Page 10: Settings

    Settings& 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!screens!using!the!AAD!soft!keys.! Page!6!of!28! version!1.0!
  • Page 11 SciPlusA2300!Scientific!Calculator!–!User!Manual Number& Format:! There! are! four! number! formats! supported! by! the! NUM FORMAT SciPlusA2300:! Standard:& Numbers!show!up!to!tenAdigit!precision.&&& 4 5 6 7 Examples:!!101,!41250.5,!0.33333333! Fixed&Notation:& 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! Engineering&Notation:& Numbers!displayed!in!powers!of!…!10 ,!10 ,! 10 ,! 10 …,! with! fixed! decimal! precision.!! These! steps! express! values! corresponding! with!“micro,!milli,!kilo,!mega,!etc.”.!
  • Page 12 Backlight:& BACKLIGHT Use!the!AAB!soft!keys!to!turn!the!backlight!on/off.! The!CAD!keys!adjust!the!brightness.! Note! that! the! backlight! will! significantly! shorten! the! duration! of! a! battery!charge!from!weeks!to!hours.!!For!this!reason,!the!SciPlusA200! always!powers!on!with!the!backlight!turned!off.! INVERT Screen&Inversion:& Often,! people! with! low! vision! are! able! to! benefit! from! an! inverted! screen.!!The!AAB!keys!simply!invert!the!display!between!black/white! and!white/black.! Page!8!of!28! version!1.0!
  • Page 13 SciPlusA2300!Scientific!Calculator!–!User!Manual Speech&Output:& AUDIO 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!example).! The!CAD!softkeys!will!adjust!the!output!volume.! ©!2014,!Sight!Enhancement!Systems! Page!9!of!28!

  • Page 14: Basic'functions

    Basic&Functions& KEY& NAME& DESCRIPTION& Press!this!key!before!any!dualAfunction!key!to!access!the!upper!(yellow)! !Function! function.!!You!will!notice!the!!!!!!!symbol!appear!in!the!status!line.!! Turn!calculator!ON.!!The!cursor!will!appear!on!the!bottom!line.!!Most!of! ON/Clear! the!settings!from!the!previous!session!will!remain!as!they!were.! OFF! Save!settings,!memory!and!statistics!data,!and!turn!calculator!OFF.! Backspace! Delete!last!entry!or!function.! BKSP Resolves! the! current! expression,! displaying! the! result! in! the! second! Enter! line.!!If!the!expression!contains!errors,!an!error!message!will!appear.! Pressing!the!2 !key!followed!by! clears!the!current!expression!and! ↵ !Enter! all!previous!results.! Open! parentheses.! ! Note! that! some! expressions! will! automatically! Open!Parentheses! include!the!opening!parentheses.! Page!10!of!28!
  • Page 15 SciPlusA2300!Scientific!Calculator!–!User!Manual KEY& NAME& DESCRIPTION& Close!Parentheses! Close!parentheses.! + / − Change! the! sign! of! the! operand.! ! After! some! operands! (e.g.! ×! ÷),! this! Change!Sign! operation!will!insert!a!negative!sign!into!the!expression.! Scientific!Notation! This!is!equivalent!to!“×10!raised!to!the!power…”! Settings! Manage!settings!(see!section!on!Settings).!!Toggles!on/off.! ©!2014,!Sight!Enhancement!Systems! Page!11!of!28!

  • Page 16: Mathematical'functions

    Mathematical&Functions& KEY& NAME& DESCRIPTION& π π ↵ Enters!the!symbol!π!into!an!expression.!!If!you!simply!enter!!! ,!the! result!3.141592654!will!be!displayed.! Calculates!the!factorial!of!the!value!to!the!left.!!Enter!this!after!you!enter! Factorial! the!value!of!‘x’.! The!behavior!of!the!%!function!depends!upon!context.! If! the! expression! is! simply! a! number! with! the! %! operator,! the! result! of! the!expression!is!the!number!divided!by!100.! π If!the!%!operator!is!appended!to!a!number!which!is!itself!to!the!right!of! Percentage! the! +! A! ×! or! /! operator,! the! percentage! is! added! to,! subtracted! from,! multiplied!by,!or!divided!by!the!number!to!the!left!of!the!operator.! e.g.:!!3 + 50 % followed!by!
  • Page 17 SciPlusA2300!Scientific!Calculator!–!User!Manual KEY& NAME& DESCRIPTION& Raises!the!value!to!the!left,!to!an!exponent.!!Enter!‘y’!first.!!Shown!as!‘^’.! e.g:!!2 ^ 3 followed!by yields!a!result!of!2 !or!8.! ↵ Calculates!the!reciprocal!of!an!expression.! Reciprocal! /( 25 × 4 ) e.g:!! followed!by! !!yields!1/100,!or!0.01.! ↵ Calculates!the!square!root!of!a!value.! Square!Root! √ 4 e.g:!! followed!by!! yields!√4,!or!2. ↵ Calculates!the!n !root!of!a!value.! !!!Root! √ 8 e.g:!!3 followed!by!! yields!the! √8,!or!2.! ↵...

  • Page 18: Memory'operations

    Memory&Operations& Note!that!memory!operations!with!the!SciPlusA2300!use!the!soft!keys!AAD.!! KEY& NAME& DESCRIPTION& This!key!causes!the!memory!soft!keys!to!be!displayed.!!Note!that!there! Display!Memory! MEM!a!second!time!will!bring!up!the! are!two!sets.!!Pressing!this!2 Soft!Keys! BKSP second!set!of!memory!soft!keys.!!A!third!time!will!disable!the!soft!keys.! Soft! keys! AAD! are! used! to! clear! the! memory,! swap! the! value! in! memory! with! the! current! 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!current! line.!!Note!that!storing!a!value!of!‘0’!clears!the!memory.! Note! that! the! STO! softkey! (A),! if! pressed! at! the! end! of! an! expression,! will! solve! the! expression! and!
  • Page 19 SciPlusA2300!Scientific!Calculator!–!User!Manual Memory!Soft!Keys:! “M”$indicates$there$is$a$value$in$memory$ SCI:2 M 1.36E+02 2.70E+00 RCL EXC $set$of$operators$ clear$and$store$‘15’$ exchange$‘15’$with$memory$value$ Places$memory$contents$ into$the$current$expression$ mulitply$memory$by$‘15’$ subtract$‘15’$from$memory$ add$‘15’$to$memory$ divide$memory$by$‘15’$ M+ M- M× M÷ $set$of$operators$ ABD$“soft$keys”$ ©!2014,!Sight!Enhancement!Systems! Page!15!of!28!

  • Page 20: Statistical'operations

    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& !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! Add!Data!Point!in! that!if!a!value!already!exists!in!the!table,!it!will!be!added!a!second!time.! Stats!Register! e.g.:!!2 Σ+ 3 Σ+ 5 Σ+ 3!!will!create!a!table!(2,!3,!5,!3)! This!key!causes!the!statistics!soft!keys!to!be!displayed.!!Note!that!there! Display!Statistics! Σ! ! a! second! time! will! bring! up! the! are! two! sets.! ! Pressing! this! Soft!Keys! 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 )!!!σ!!!σ !!!and!!!M!!can!all!be!used!in!expressions.! Page!16!of!28! version!1.0!
  • Page 21 SciPlusA2300!Scientific!Calculator!–!User!Manual Statistics!Soft!Keys:! indicates$there$are$two$entries$in$the$statistics$table$ SCI:2 Σ:2 1.36E+02 2.70E+00 µ Σ− Σ(x) $set$of$operators$ delete$15$from$table$(if$present)$ sum$of$entries$ clear$table$ mean$(average)$of$entries$ standard$deviation$ variance$ sum$of$squares$ median$(middle$entry)$ Σ(x σ σ $set$of$operators$ A>D$“soft$keys”$ ©!2014,!Sight!Enhancement!Systems! Page!17!of!28!

  • Page 22: Trigonometry

    Trigonometry& Trigonometry! functions! are! very! straightforward! with! the! SciPlusA2300.! ! Note! that! the! values! used! in! trigonometry!functions,!and!the!result,!are!expressed!in!Degrees,!Radians,!or!Gradians,!as!indicated!by! ‘D’!!‘R’!!or!‘G’!in!the!status!line.! KEY& NAME& DESCRIPTION& Calculates!the!sine!of!an!expression.!! Sine! e.g.!(assume!degrees):!!!SIN( 30 ) followed!by! yields!0.5.! ↵ !Calculates!the!inverse!sine!(arcsine)!of!an!expression.!! Arcsine! e.g.!(assume!degrees):!!!ASIN( 0.5 ) followed!by! yields!30.! ↵ This! simply! toggles! through! Degrees,! Radians,! Gradians.! ! The! current! setting! is! indicated! in! the! status! line.! ! After! setting! this! parameter,! Set!Angle!Mode! subsequent!input!values!and!the!results!of!expressions!are!expressed!

  • Page 23: Converting'angles

    SciPlusA2300!Scientific!Calculator!–!User!Manual Converting&Angles& KEY& NAME& DESCRIPTION& Converts!decimal!degrees!into!degrees,!minutes,!seconds.!! e.g.:!!!DMS( 45.5 )!followed!by! yields!(45,30,0.00).! ↵ Decimal!Degrees! to!DMS! Note!that!if!the!second!line!is!in!DD!format,!entering!!DMS( followed! converts!that!value!into!DMS!format.! ↵ Converts!degrees,!minutes,!seconds!into!decimal!degrees.! e.g.:!!!DD( 45,30,0 )!followed!by! yields!(45.5)! ↵ DMS!to!Decimal! Degrees! Note!that!if!the!second!line!is!in!DMS!format,!entering!!DD( followed! converts!that!value!into!DD!format.! ↵ ©!2014,!Sight!Enhancement!Systems! Page!19!of!28!

  • Page 24: Converting'coordinates'between'polar'and'rectangular

    Converting&Coordinates&between&Polar&and&Rectangular& KEY& NAME& DESCRIPTION& Converts! rectangular! (x,y)! coordinates! into! polar! (r,θ).! ! Note! that! angles! are! expressed! in! degrees,! radians! or! gradians! as! indicated! on! the!status!line.! Rectangular!to! e.g.:!!!R!P( 1 , 1 )!followed!by! yields!(1.41,45.00)! ↵ Polar! Note! that! if! the! result! line! is! in! rectangular! (x,y)! format,! entering!! P!R( followed!by! converts!that!value!into!polar!(r,θ)!format.!

  • Page 25: Working'with'fractions

    SciPlusA2300!Scientific!Calculator!–!User!Manual Working&With&Fractions& KEY& NAME& DESCRIPTION& Use!this!key!to!enter!a!fractional!amount!into!an!expression.!!The!result! is! displayed! as! a! fractional! amount! ONLY! if! all! the! operands! in! the! expression!are!entered!as!either!fractions!or!integer!numbers.! 2 + X 4,3/6)!followed!by! e.g.:! yields!6!1/2! ↵ Enter!a!Fraction! 2.0 + X 4,3/6)!followed!by! ! yields!6.5! ↵ Note!that!the!fraction!command!always!requires!the!following!syntax:!! an! integer! number,! followed! by! a! comma,! then! another! number! followed!by!the!÷!operator,!and!finally,!a!third!integer!number.! Convert!Between! Simply!press!this!key!followed!by!
  • Page 26 Using&the&SciPlus82300&to&Evaluate&Mathematical&Functions& When! you! select! the! f(x)! key,! the! display! will! look! like! the! picture! on! the! opposite! page.! ! Note! that,! while!in!functions!mode,!the!following!features!of!the!SciPlusA2300!are!not!accessible:! • Fraction!calculations! • (x,y)!<A>!(r,θ)!conversions! • DMS!<A>!DD!conversions! • Memory!operations!!(the!value!stored!in!memory!is!maintained)! • Statistical!operations!(the!statistics!table!is!maintained)! When!in!f(x)!mode,!the!three!lines!displayed!each!have!unique!meaning:! Equation&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,!and!c,!to!be!“constants”,!x!the!“independent!variable”,!and!y!the!“dependent!variable”.! Results&Line:!!The!middle!line!shows!the!result!of!the!most!recent!calculation.!!This!may!be!the!entry!(or! query)!of!one!of!the!of!the!variables!a,!b,!c,!x,!or!the!resulting!value!of!the!equation!for!a!given!set!of!
  • Page 27 SciPlusA2300!Scientific!Calculator!–!User!Manual The!“soft!keys”!of!the!SciPlusA2300!have!the!following!meaning!while!in!functions!mode:! First& set& of& operators:& & Push! f(x)! once.! ! The! indicates$the$SciPlus42300$is$in$f(x)$mode$ four!soft!keys!allow!you!to!use!the!variables!a,! c,! c,! x! to! define! a! function! in! the! form! f(x) y=f(a,b,c,x).! y=ax +2bx- equation$ y=62 Second&set&of&operators:&Push!f(x)!again.!!This! previous$result$ second! set! of! soft! keys! allows! you! to! define! values!for!the!variables!a,!b,!c,!x.! Input$line$ $set$of$operators$...
  • Page 28 Calculating&values&of&f(x):& Let’s!investigate!how!to!use!the!SciPlusA2300!in!functions!mode!by!evaluating!the!expression:! y=ax +2bcx-c 1. Enter&functions&mode:!!First,!use!the!f(x)!key!to!enter!functions!mode.!! 2. Enter& the& equation:! Push! f(x)! two! more! times! to! access! the! “y=”! soft! key! (C),! and! push! it.! ! The! bottom!line!of!the!display!will!now!show!“y=”.!!Now!push!f(x)!again!to!get!back!to!the!variables!list! a,!b,!c,!x.!!Enter!the!expression!as!follows,!using!the!soft!keys!AAD!!(note!that!‘D’!is!‘x’!in!this!case),! as!follows:! a × x + 2 × b × c × x - Once! you! press! the! ! ! ! key,! the! equation! will! be! displayed! in! the! top! line.! ! Of! course,! if! the! ↵...
  • Page 29 SciPlusA2300!Scientific!Calculator!–!User!Manual At! any! time,! you! can! query! a! variable! by! simply! selecting! the! ENTER! key! without! a! value! or! expression!after!the!variable.!!For!example,!a= !!will!display!3!in!the!results!line.!!If!you!have!not! ↵ yet!entered!a!value!for!a,!then!“a=undefined”!will!be!displayed!in!the!results!line.! You!can!clear!any!variable!using!the!garbage!can.!!E.g.:!!!a= What’s&the&answer?!!Once!all!four!variables!have!been!entered,!you!can!select,!!!y= !to!display! ↵ the!result!of!y!=!3x !+!(2)!(TAN(45))!x!–!TAN(45)!in!the!middle!line!(62!in!this!example!as!shown).! If!the!equation!contains!a!divide!by!zero!condition,!the!result!Y=DIV0!will!be!displayed.! If! you! see! “y=…”! in! the! middle! line,! it! means! that! not! all! of! the! necessary! variables! have! been! entered!yet.!!Zero!values!must!be!entered!as!such.! 5.
  • Page 30 Exiting&functions&mode:& You!can!exit!function!mode!by!simply!pressing!the!2 !key!followed!by!f(x).! Some&guidelines&while&in&functions&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!you! don’t!enter!all!the!variables!required!by!the!equation,!you!will!see!“y=…”!when!you!enter!!!y= ↵ • You!can!also!change!the!equation!and!keep!the!same!variables.! Page!26!of!28! version!1.0!

  • Page 31: Errors

    SciPlusA2300!Scientific!Calculator!–!User!Manual Errors& Sometimes! you’ll! enter! things! incorrectly,! such! as! not! closing! a! !ERROR bracket!or!dividing!by!zero.!!In!this!case,!you’ll!get!a!SYNTAX!ERROR! message!like!the!image!at!left.! SYNTAX You! might! see! other! types! of! error! messages! such! as! “INVALID! ERROR ARGUMENT”!or!“INFINITE!RESULT”.!! To! correct! the! error,! simply! press! which! will! return! you! to! the! ↵...
  • Page 32 Service& If! for! any! reason! you! require! service! or! support! for! your! SciPlusA2300,! please! contact! the! authorized! dealer!from!whom!it!was!purchased.!!You!may!also!contact!Sight!Enhancement!Systems!directly:! 18613842188953&&&or&&&service@sightenhancement.com& Please!have!the!following!information!available:! • The!serial!number!of!the!SciPlusA2300!(see!the!label!on!the!underside!of!the!calculator).! • The!authorized!manufacturer’s!representative!from!whom!the!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&...
  • Page 33 364!Huron!Avenue!South! Ottawa,!Ontario! K1Y!0W7! CANADA! www.sightenhancement.com&...

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