Any ideas? Regarding this

[Gareeb_bhai (Premium User)]

I want to do mathematical operations in app via background or with database possible?

Example 100 x0.2 = value x0.2 will run continuously

Else , consider 0.2 as an annual intrest rate I need to calculate the intrest from the user sign up date and show when user open app anyone provide blocks please.

[Rogerio_Rios (Professional Support)]

Do you want to show daily what ?
Explain better…

[almeidapablo (Pablo A. Rod.)]

@Gareeb_bhai

I want to do mathematical operations in app via background or with database possible?

Yes, it is.
But explain exactly what you want. I couldn’t understand the rest of your post.