Sight Enhancement Systems SciPlus-2300, User Manual

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Page!22!of!28! ! version!1.0!
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!
variables.!
Input&Line: !!This!is!the!line!in!which!you!enter!the!equation!using!the!various!mathematical!functions!of!
the!SciPlusA2300.!!You!also!enter!values!a,!b,!c,!and!x.!!Later,!we!will!talk!about!how!to!determine!one!of!
these!values!if!y!is!known.!
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