Lol it reminds me school =)
Oops! While replacing the batteries, I discovered I missed a couple of graphing inequality buttons:
Y greater than
Y less than
Y greater than or equal to
Y less than or equal to
Lol it reminds me school =)
Oops! While replacing the batteries, I discovered I missed a couple of graphing inequality buttons:
Y greater than
Y less than
Y greater than or equal to
Y less than or equal to
Very effective ! Souvenirs ! As a schoolmate, my beloved calculette was the HP25 ! I wish I could find something evoking the really unique design of the touches and led digits of the first generation of HP calculators