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  2. Telecommunications billing - Wikipedia

    en.wikipedia.org/wiki/Telecommunications_billing

    Term convergent billing system refers to such a solution, that could maintain single customer account and produce a single bill for all services (for example, it could be public switched telephone network, cable TV and cable internet services for one customer) and also do it regardless a payment method (prepaid or postpaid).

  3. Electronic bill payment - Wikipedia

    en.wikipedia.org/wiki/Electronic_bill_payment

    Electronic bill payment is a feature of online, mobile and telephone banking, similar in its effect to a giro, allowing a customer of a financial institution to transfer money from their transaction or credit card account to a creditor or vendor such as a public utility, department store or an individual to be credited against a specific account.

  4. Telangana State Road Transport Corporation - Wikipedia

    en.wikipedia.org/wiki/Telangana_State_Road...

    These are non-air conditioned 2+2 services which are run as intercity services. The color of a Deluxe bus is violet. Most of the buses are of Ashok Leyland, Tata, Eicher, etc. Express and Semi Express; These are non-air conditioned 3+2 services which are run as intercity services. The color of an Express bus is light blue and dark blue.

  5. Ankeny launches new utility bill portal; customers with auto ...

    www.aol.com/ankeny-launches-utility-bill-portal...

    For premium support please call: 800-290-4726 more ways to reach us

  6. System of polynomial equations - Wikipedia

    en.wikipedia.org/wiki/System_of_polynomial_equations

    The Barth surface, shown in the figure is the geometric representation of the solutions of a polynomial system reduced to a single equation of degree 6 in 3 variables. Some of its numerous singular points are visible on the image. They are the solutions of a system of 4 equations of degree 5 in 3 variables.

  7. Online bill pay: What is it and why it’s a good idea - AOL

    www.aol.com/finance/online-bill-pay-why-good...

    Online bill pay is an electronic payment service offered by many banks, credit unions and bill-pay services. It allows consumers to make various types of payments through a website or app, such as:

  8. System of linear equations - Wikipedia

    en.wikipedia.org/wiki/System_of_linear_equations

    Substitute this expression into the remaining equations. This yields a system of equations with one fewer equation and unknown. Repeat steps 1 and 2 until the system is reduced to a single linear equation. Solve this equation, and then back-substitute until the entire solution is found. For example, consider the following system:

  9. Reduced form - Wikipedia

    en.wikipedia.org/wiki/Reduced_form

    In econometrics, the equations of a structural form model are estimated in their theoretically given form, while an alternative approach to estimation is to first solve the theoretical equations for the endogenous variables to obtain reduced form equations, and then to estimate the reduced form equations.