4.9- Normal cdf with TI-Nspire

[@jonholzman9774]

Straight forward calc function. Thanks

[@PTNLemay]

Thank you for this. Our teacher showed us how he did it, but he went by so fast I missed it.

[@alessandroshakhgaldyan1848]

thanks bro really helped a lot 😘

[@ibrahimmahomed616]

welcome anytime g

[@westleylennov4121]

Very helpful

[@chenxizhang6792]

thanks a lot ;)