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  2. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    The oldest known multiplication tables were used by the Babylonians about 4000 years ago. [2] However, they used a base of 60. [2] The oldest known tables using a base of 10 are the Chinese decimal multiplication table on bamboo strips dating to about 305 BC, during China's Warring States period. [2] "Table of Pythagoras" on Napier's bones [3]

  3. Medical billing - Wikipedia

    en.wikipedia.org/wiki/Medical_billing

    Medical billing, a payment process in the United States healthcare system, is the process of reviewing a patient's medical records and using information about their diagnoses and procedures to determine which services are billable and to whom they are billed. [1] This bill is called a claim. [2]

  4. Healthcare Common Procedure Coding System - Wikipedia

    en.wikipedia.org/wiki/Healthcare_Common...

    HCPCS includes three levels of codes: Level I consists of the American Medical Association's Current Procedural Terminology (CPT) and is numeric.; Level II codes are alphanumeric and primarily include non-physician services such as ambulance services and prosthetic devices, and represent items and supplies and non-physician services, not covered by CPT-4 codes (Level I).

  5. Chargemaster - Wikipedia

    en.wikipedia.org/wiki/Chargemaster

    In practice, it usually contains highly inflated prices at several times that of actual costs to the hospital. [1] [2] [3] The chargemaster typically serves as the starting point for negotiations with patients and health insurance providers of what amount of money will actually be paid to the hospital. It is described as "the central mechanism ...

  6. The 2025 tax brackets are here. How much will you owe? - AOL

    www.aol.com/finance/2025-tax-brackets-much-owe...

    The IRS just released its inflation-adjusted tax brackets for 2025 — and it’s the smallest increase in four years. Income thresholds for each tax bracket will rise by about 2.8% in the new ...

  7. Split billing - Wikipedia

    en.wikipedia.org/wiki/Split_billing

    Split billing is the division of a bill for service into two or more parts. Bills may be split to divide work between clients, payers or for reimbursement to different service providers for performing a shared service.

  8. Ancient Egyptian multiplication - Wikipedia

    en.wikipedia.org/.../Ancient_Egyptian_multiplication

    In mathematics, ancient Egyptian multiplication (also known as Egyptian multiplication, Ethiopian multiplication, Russian multiplication, or peasant multiplication), one of two multiplication methods used by scribes, is a systematic method for multiplying two numbers that does not require the multiplication table, only the ability to multiply and divide by 2, and to add.

  9. Double billing - Wikipedia

    en.wikipedia.org/wiki/Double_billing

    This can ideally work out to a 40-hour work week, but it is usually 60 or more, since most attorneys must spend around two hours in the office for every one that they can bill to a specific client. In 1998, Cameron Stracher's book Double Billing [5] suggested that double billing is common in law firms, but that implication was misleading. [6]