Sight Enhancement Systems SciPlus-2300, User Manual

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©!2014,!Sight!Enhancement!Systems! Page!25!of!28!
SciPlusA2300!Scientific!Calculator!–!User!Manual
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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=
!
4. What’s&the&answer? !!Once!all!four!variables!have!been!entered,!you!can!select,!!!
y=
↵
!to!display!
the!result!of!y!=!3x
2
!+!(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. Changing&variables: !!At!any!point,!you!can!change!one!of!the!values!of!a,!b,!c,!x!by!repeating!step!
‘3’!above.!!A!new!value!of!y!will!be!calculated!each!time!a!variable!is!entered.!
For!example,!to!find!the!value!of!y=ax
2
+2bcxAc!for!a!new!value!of!x=4,!simply!enter!!!
x= 4
↵
.!
6. Editing&the&equation: !!To!edit!the!equation,!use!the!enter!!!
y
!
!!to!put!the!equation!into!the!input!
line.!!Move!the!cursor!to!the!location!you!wish!to!edit.!!Remember!BKSP!!removes!operators!from!
the!equation.!!Use!the!
y
!
!!!!!!to!clear!the!equation.!
7. Entering& a& new& equation: ! ! You! can! easily! enter! a! new! equation! by! repeating! step! 2! above.! ! The!
values!for!a,!b,!c,!x!will!remain!unchanged!until!you!change!them!as!explained!in!step!3.!
8. Clearing&everything: !!You!can!use!
CLR
!to!clear!all!the!constants!as!well!as!the!equation!and!start!
fresh.!