I'm a computer engineering student. I've taken physics, thermodynamics, electronics, linear algebra, etc. I've never had a need for a TI-89. I inherited one fr

I'm a computer engineering student. I've taken physics, thermodynamics, electronics, linear algebra, etc. I've never had a need for a TI-89. I inherited one from my brother and I've never used it. If I'm doing anything complicated I'll just use my laptop.