Sharp PC-1500 - Angular Modes; Trigonometric Functions; Sin. Cos, Tan, Asn, Acs. Atn

A ll and more about Sharp PC-1500 at http://www.PC-1500.info
Pl 00
The value of Pi {3.141592654) is stored in both the symbols Pl and ui;J as a fixed constant.
Ei
the r symbol can be used in calculations where th e value of Pi is needed.
As an exam1>le. to find the area of a rug which h:as a diameter of five feet. in RUN mode key :
K
eystrokes
Display
1IJCOCD CDCIJ l 1.J a.J o:J
[ PI * {5/2) "2 _J
I
1 9. 6 3495 40aj
D. Angular Modes
The PC · 1500 allows angular functions to be calculated in any of three angular modes as
follows:
To set the PC · 1500 i nto Degree mode type:
DEG.
l •HTER I
{DEG wi
ll appear at top of the display I
To set the PC· 1500 in to Radians mod e type:
RAD. l ••n• I
(RAO will appear at top of the display)
To set the PC-1500 into Grads mode type:
GRA. I E•TE• I
(GRAD will appear at top of the display)
E. Trigonometric F unc tions
The six trigonomet ric functions provided on the PC·1500 are SIN, COS. TAN, ASN. ACS, and
ATN. Each func
tion can be calculated in either the GRAD, DEG, or RAD mode. Execut ion is
as follows:
DEG. ( ••TU l Sets mode to degree
SIN 30 l •• rER I ,,_ - ___________ _,
. 0.5 1
SIN 30 in degrees
[£g Clears display
GRA.
( E•T•• I --- - ---- - - -----+ Sets mode to grad.
4. 539904997E-01 ] -+ SIN30ingrad SIN 30 l ••TE•I
I CL I
> Clears display
RAD. i •NTE• I Sets mode to radians
SIN 30 (• •TE• l 1 -s. 88031 6241 E 01 , _. SIN 30 in radians
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