or MATH 2000 (brief calculus). The TI-83 (not Plus), TI-86, TI-92 and the TI-92 Plus are no longer manufactured. Certainly these older calculators may still be used in courses allowing any calculator.

Of course, you can usually find the manual online. That may be ... The built-in math library will turn Python into a scientific calculator. You can use the import function to access its functions.

Desmos offers a variety of math tools online. Many are calculators, including “a four-function, scientific, and graphing calculator.” The calculators are free to the public and can be accessed ...