Is there a calculator for android that can work with formulas?

Question

Android

There are formulas and how to use them.
Some initial data.
Is there anything similar to drive the formulas in the right order and so that later it only recalculates according to the data entered, a couple of times the same thing.
The most important thing was to follow the order, well, without programming at all so that it was.

Answer 1

Calculator++ has the ability to set your own formulas.

Answer 2

Wolfram|Alpha
I have it on my iPad, it's a very good program. I haven’t seen how it looks on Android, but I don’t think there will be any special differences. One drawback requires network access to work.

Answer 3

JustMath
has not been updated for a long time, but the program is just for your requirements

Answer 4

handycalc
A good calculator with support for formulas and the ability to draw simple graphs.