HP HP-35 - Advanced Topics and Examples; Logarithms and Trigonometry

•
SECTION 1
ImmIl 512.
([J 9.
I!'lI .1111111111 xandyare in wrong order
EB2 512. xandyareinr i ghtorder
III ,
LOGAR ITH MS AN D TRIGONOMETRY
You use the logarithmic and trigonometrIC functions the
same way you use (iii and lEI : the number in Xis
replaced by the functIon requested like this:
__ _ T
; === =~
x -f(X)- X
where f(XI IS
.Jx. l /X.log X.
InX .ore
X
fDI
mI
mm
m
IlII
In the case of tri gono metric functions. Zreplaces t. (The T
register is used when comput ing tr igOrlometric funct iorls.l
_____ ~ 1 LOST)
t ---' ____ T .
Z ~ Z where f(X) IS sin X.
y ___ _ y cos X. I1In X. arc sin X.
arc cos X. or arc \an X.
X -HX) - - X
Your HP·35 computes both natural logarithms 1
loge) and common logarithms ( 1m is log 10)'
IiIIiJ
1m
IEIlI
m
II1II is
Natural
arltilogarithms. anlliog
e
X · ex' are formed with
the m key:common antilogarithms. antilog . 0 X .. 10'-;
are formed wIth the m key.
Example: To find antilog
10
2. press (II aml ill@
III wread 100.
17