A framework allows to solve real math problems.
An example woud be finacial modeling of assets in a pension fund.
You can know how much to deposit each month, rate of return, risk, and withdrawal amounts.
Quantum mechanics deals with the micro world
Math and calculus
This is the equation that explains quantum mechanics.
Quantum measurement is the process of observing or measuring a quantum system. In quantum mechanics, a measurement causes the system to "collapse" into one of its possible states, altering the probability of finding the system in different states in the future.