Lines - Sharp EL-5100 Instruction Manual

Supplementary 5 — Use of lines
5. Lines
T h e E L -5 1 0 0 p ro v id e s 5 lin e s in th e A E R M o d e on w h ic h fo r m u la s can be s to re d . B y p la c in g e q u a tio n s o n each lin e , c o m ­
b in e d w it h S a fe G u a rd , y o u can d e v e lo p a " H a n d b o o k o f fo r m u la s " f o r la te r use. Y o u m a y use th e lin e s as a n u m b e r o f
o p tio n a l m eans o f s o lv in g f o r a v a ria b le in lin e 1.
M o d e = A E R (2 n d F) [
CA
l
on L in e 1 k e y in : f (A B ) = [V ~ | ( A 2 | + | B 2 ) (P y th a g o re a n T h e o re m )
T h e lin e fo llo w in g th e la s t e n tr y in d ic a te s th e p o s itio n o f th e n e x t e n tr y . T h is lin e m u s t be in th e d is p la y b e fo re g o in g to
th e n e x t f o r m u la lin e . I f th e c u rs o r is fla s h in g i t m u s t be m o v e d to th e r ig h t u n t il i t d isa p p ea rs. T o go to th e n e x t fo r m u la
L in e :
K e y in : (2 n d F) ^ (e n d m a rk w h ic h appears a bo ve th e C O M P k e y in th e lo w e r r ig h t o f th e c a lc u la to r ). Y o u r
d is p la y s h o u ld n o w read 2 ;
K e y in : f (C D E ) = C D [
X
l S IN E (A re a o f a P a ra lle lo g ra m )
Press (2 n d F) ^ t o get 3 ;
K e y in : f ( F G H ) = .5 F l
X
l (G l + l H ) (A re a o f a T ra p e z o id )
Press (2 n d F) t o g e t 4 ;
K e y in : f ( I) = 7rl2 , 47r12 (A re a o f a C irc le , S u rfa c e A re a o f a S p h e re )
46