Go Pro!


Reference > Mathematics
Turning the calculator on and off, clearing and resetting the computer, using the 2nd key, and evaluating basic expressions.
Using the del and ins functions, and using the arrow keys to access previous calculations, or to fix mistakes in what you've typed.
How to use the Store and Memory features of your TI-30X II calculator
Using the exponent features and the root features on your calculator
How to deal with fractions on your TI-30X II
Doing multiple step problems without using the memory features
Dealing with large numbers using your calculator

Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

Blogs on This Site

Reviews and book lists - books we love!
The site administrator fields questions from visitors.
Like us on Facebook to get updates about new resources
Pro Membership