How do you find the marginal cost function? Which calculator is best for business? Do you need a scientific calculator for calculus? Are calculators allowed in calculus? How do you find the marginal ...

In our case, the TI-84 CE . They’re maybe more slick than they used to be — mine certainly didn’t have a color screen — and I don’t recall there being quite so many buttons and functions.

That means they should cost the same $108 as the TI-84 Plus calculators currently available on Amazon, and you shouldn’t have to pay extra to prove how serious you are about graphing your functions.

Texas Instruments released the graphing calculator in 2004, and continues to sell it today. The base model still has 480 kilobytes of ROM and 24 kilobytes of RAM.