Radio Shack CCR-81 Quick Reference Guide

•
Functions
Argument ranges ale IfldlCaled by special symbols
num&nC. (_10
38
_ • 10""1
:K (()..255j
y (0·191)
locallOfl- (()..655351
code (0-255)
SIl. slnng argument
VBI. vanable na,ne
ABS (aumeric) Computes absolule value
Y=AOStSl
ASC (.'r) Returns Ascn code cl 1IfSl characler of
...:~ speclfied S!lIng.
A-ASCO")
ATN (muflerie) Returns arctangenl in radians.
Y=ATN(X/3)
CHRS (code) Returns characler for ASCII, control, Dl
graphies code.
7CHR"( 1911
PS=CHRt.tT)
COS (numeric) Returns cosme ot an angle glven in
radians.
y ,. COS(71
-::3" CVN (.trln. variable) Conver1s data back \0 Ils OrigInal
.. number aller the data had been converted 10 a slflog USlng
MKN$
X=CVNI Al- J
EOF (bufler) Checks 10 see Il eocI-ol·hle 15 encountered
dunng a REAO operalJOfl. Relurns a 0 li tt'lere IS more data
(0 be read. a ., if lhere 15 no lTlOfe data 10 the file
IF EDFII) ~ -1 THEN CLose _,
EOf (f) RehJms FALSE la) il !hare 15 more data:
TRUE(-l).1 end effile has been raad For cassette. f ~ -1
lor keyboald. f - 0
EOf(-ll
EOFle)
Notes:
Returns natural exponential 01 number EXP (numerle}
( a"""""").
Y=EXP(7l
FIX (numerle) Returns truncaled (whola numbar) value.
Y=FIX(7,Sl
FREE d Displays the numbar 01 Iraa granules on specilied
Driva
d. dis optionai: if nol omilled. Dnva 0 (or Master
Drive specified
by DRIVE) is used.
PRINT FREE 1 ? FREE
15

Radio Shack CCR-81 Specifications

General

Brand	Radio Shack
Model	CCR-81
Category	Desktop
Language	English