Hello! I have always used a graphing calculator. But mine is broken. Now there are good companies where you can buy a cool, not an ordinary calculator?
I work as a physicist, and I always have Casio fx-9750GII with me. This model seems to be created specifically for me. Now there are enough companies that create excellent graphing calculators. Here are the top best calculators: https://wowpencils.com/best-graphing-calculators/ I think you will find yourself a novelty.