Entering and Calculating with Matrices with the fx-991EX Scientific Calculator

[@gr1s55]

For the #4, A^-1, you can MatA and then press the button x^-1

[@hackerslordstudios2537]

Yhh I guess you're right
Just tried it out thanks

[@AprendizDeLoQueToca]

Nice! Got the 991 LA X yesterday and really like it.
Thank you for the lesson 🙏

[@enkegp35]

Thank you

[@CasioEdTech]

You're welcome