home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Simtel MSDOS - Coast to Coast
/
simteldosarchivecoasttocoast2.iso
/
calculat
/
sm30a.zip
/
SECH.(X)
< prev
next >
Wrap
Text File
|
1993-10-16
|
110b
|
5 lines
sech(0) := 1
sech(inf) := 0
sech(-inf) := 0
sech(x_) := if( isnumber(x) and numeric==on, 2/(e^x+e^-x) )