No. I believe TI83+ and TI84 do use an operating system.
how can i tell the age of a dog
Short answer; you can't. But you can purchase (or borrow) a TI84 calculator and use the TI83's transfer cable to transfer data from the 83 to the 84 to your mac computer (the TI84 comes with a USB transfer cable).
You can tell the age of the coyote by the size of the teeth on the coyote.
No, you can tell a horses age by it's teeth.
No, the spots on the lady bug do not tell age.
Tell her to quit lying, and tell anyone she is lying to her actual age.
It's easiest to tell when drunk.
Either press the carat button followed by a 3 or go to the math function and select cubed.
On my graphing calculator, a TI84 Plus, I can enter the equation into the Y= (a button) and then graph it by hitting the Graph button.
Any age, they could tell you to move out when your are 13 if they want.
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