E-bog Do you own a ti-89, ti-89 titanium, ti-92 plus, or a voyage 200 graphing calculator if you do, or if you need to get one for school or your job, then you need to know how it works and how to make the most of its functions. Ti-89 for dummies is the plain-... Læs hele produktbeskrivelsen ved at trykke på købsknappen.
