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NUMBERS.INC
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1991-11-01
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1KB
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25 lines
' FILENAME: NUMBERS.INC PROGRAMMER: ANDY KELLETT
' DATE WRITTEN: 05/07/91
' FOR MORE DETAILS, SEE THE POWERBASIC USER'S GUIDE P.107, PP.205-215
' THIS FILE MERELY DOCUMENTS THE TYPES OF NUMERIC VARIABLES AVAILABLE
' USING THE TURBO AND POWERBASIC COMPILERS. EACH TYPE OF NUMERIC
' VARIABLE IS MARKED T, P, OR BOTH FOR WHICH COMPILER IT IS AVAILABLE IN.
'--------------------------------------------------------------------------
' TP X% 16 BIT INTEGERS -32,768 to 32,767
' TP X& 32 BIT LONG INTEGERS -2,147,483,648 to 2,147,483,647
' P X&& 64 BIT QUAD INTEGERS -+9.22x10^18 to +-9.22x10^18
' (FLOATING POINT)
' TP X! 32 BIT SINGLE PRECISION -+8.43x10^-37 to +-3.37x10^38
'
' TP X# 64 BIT DOUBLE PRECISION -+4.19x10^-307 to +-1.67x10^308
' P X## 80 BIT EXTENDED PRECISION -+3.4X10^-4932 to +-1.2x10^4932
'
' P X@ 64 BIT BINARY CODED DECIMAL FIXED POINT
' (18 DIGITS OF PRECISION) -+9.99x10^-63 to +-9.99x10^63
' FIXDIGITS DETERMINES DIGITS RIGHT OF DECIMAL ( 0 - 18 )
'
' P X@@ 80 BIT BINARY CODED DECIMAL FLOATING POINT
' ( " " ) -+9.99x10^-63 to +-9.99x10^63
' SAME RANGE AS EXTENDED PRECISION
'