Radio Shack TRS-80 Operation Manual page 17

Computer Graphics
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®
Operation Manual
Remember that Model III numeric values are as follows:
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Model III Numeric Values
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Numeric
Type
Range
Storage
Requirement Example
Integer -32768, 32767 2 bytes
24~,
639,
-l~
Double-
Precision
-1*l~38,_l*1~-38
8 bytes
+1*1~38,+1*1~-38
Up to 17 significant
digits (Prints 16)
l23~~~~.~~
3.1415926535897932
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Table 3
With each BASICG command or function, there are various
.~ options which you mayor may not include in a program
statement (depending on your needs). Each option is
separated from the previous option by a delimiter, usually a
comma. When you do not specify an available option (e.g.,
you use the default value) and you specify subsequent
options, you must still enter the delimiter or a Syntax
Error will result. (See your Model III Operation and BASIC
Language Reference Manual for more information).
Because you are dealing with two distinct screens, the
Graphics Screen and the Text Screen, we strongly urge you to
read the description of the SCREEN command before
continuing.
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