We're sorry, but your 30 day trial has ended. Please pay for Calculator Pro, or watch this 30 second advertisement to continue your calculation.
LOL, no kidding, ya don't say huh?
Some folks use 3rd party scientific and/or programming calculator apps, which do tend to come with advertising banners.
I was definitely exaggerating in my joke, but as apps and services head more and more to a subscription model...
We live in a dystopia. ☹️
