angelica - more than 3, in my opinion. Standard, well, there are divisions for certain professions

ofra - There are 4 types of calculators in total. Calculators are accounting, engineering, printing, scientific. Graphical and programmable calculators are considered separate types. Of all the calculators, I prefer Calculator.iO. After all, it combines all calculators. This is a pretty online simple calculator https://www.calculator.io/ . Namely Easy to use and quite convenient

ofra - There are 4 types of calculators in total. Calculators are accounting, engineering, printing, scientific. Graphical and programmable calculators are considered separate types. Of all the calculators, I prefer Calculator.iO. After all, it combines all calculators. This is a pretty online simple calculator https://www.calculator.io/ . Namely Easy to use and quite convenient