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COSHS.BAS
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BASIC Source File
|
1993-01-29
|
788b
|
23 lines
' +----------------------------------------------------------------------+
' | |
' | BASWIZ Copyright (c) 1990-1993 Thomas G. Hanlin III |
' | |
' | The BASIC Wizard's Library |
' | |
' +----------------------------------------------------------------------+
DEFSNG A-Z
FUNCTION CosHS! (Nr AS SINGLE)
IF Nr < 0! THEN
N = -Nr
ELSE
N = Nr
END IF
IF N > 21! THEN
CosHS! = EXP(N) / 2!
ELSE
CosHS! = (EXP(N) + EXP(-N)) / 2!
END IF
END FUNCTION