print "exp:";chr$(9);   EXP(1)
print "PI:";chr$(9);    4 * ATN(1)
print "Sqr2:";chr$(9);  SQR(2)
print "Log2:";chr$(9);  LOG(2) : REM Base 10
print "Exp2:";chr$(9);  EXP(2)
print "Abs2:";chr$(9);  ABS(-2)
print "Floor:";chr$(9); INT(1.534)
print "ceil:";chr$(9);  val(using("###",1.534))
print "Power:";chr$(9); 1.23^4