Solving Simultaneous, Quadratic and cubic equations using scientific calculator casio fx 991ms

In this video I'm going to show you how to solve Simultaneous, Quadratic and cubic equations using scientific calculator casio fx 991ms.

[@Dip..0110]

Thanks dude.

[@joyineverything2518]

Most welcome 😊

[@emrankeef9170]

Thanks

[@joyineverything2518]

Most welcome 😊

[@chomochimm5163]

How to use AC or On mode after this?I am trying to go back to do other calculation but i am unable to delete this mode.

[@joyineverything2518]

Just select mode then press 1, you'll be back to normal mode

[@sujithkumarsmmanickam8983]

Sir for 4 variable equation how we can do using calculator

[@joyineverything2518]

We couldn't solve 4 variables using this calculator, In some higher versions of calculator its possible