----------------------------
//!(a AND b)  same as (!a OR !b)

if (10 < x AND x < 20) then
	print “between”
else
	print “outside”
endif

if (!(10 < x) OR !(x < 20)) then
	print “outside”
else
	print “between”
endif

----------------------------
//!(a OR b) same as (!a AND !b)

if (x < 10 OR 20 < x) then
	print "outside"
else
	print "between"
endif

if (!(x < 10) AND !(20 < x)) then
	print "between"
else
	print "outside"
endif

----------------------------
// items under 6 inches and no heavier than ten pounds
double inches = prompt "What size?"
double weight = prompt "What weight?"
if (inches < 6 AND weight <= 10) then
	print "allowed"
endif 
//opposite
//(!(inches <6) OR !(weight <= 10))
if (inches >= 6 OR weight >10) then
	print "not allowed"
endif

----------------------------
// dogs must be poodles or beagles
String dogtype = prompt "What type of dog?"

if (dogtype == "poodle" OR dogtype == "beagle") then
	print "allowed"
endif

// opposite
//(!(dogtype == "poodle") AND !(dogtype == "beagle"))
if (dogtype != "poodle" AND dogtype != "beagle") then
	print "not allowed"
endif

----------------------------
// destinations in MD cost $100, destinations in PA cost $200, $250 for VA, $150 for DE, otherwise $300
String state = prompt "In what state is the destination?"
double cost = 0;
case state
	"MD": cost = 100
	"PA": cost = 200
	"VA": cost = 250
	"DE": cost = 150
	default: cost = 300
endcase
print "Your cost is " + cost