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  2. Year 1900 problem - Wikipedia

    en.wikipedia.org/wiki/Year_1900_problem

    Microsoft Excel (using the default 1900 Date System) cannot display dates before the year 1900, although this is not due to a two-digit integer being used to represent the year: Excel uses a floating-point number to store dates and times. The number 1.0 represents the first second of January 1, 1900, in the 1900 Date System (or January 2, 1904 ...

  3. Weighted product model - Wikipedia

    en.wikipedia.org/wiki/Weighted_product_model

    The weighted product model (WPM) is a popular multi-criteria decision analysis (MCDA) / multi-criteria decision making (MCDM) method. It is similar to the weighted sum model (WSM) in that it produces a simple score, but has the very important advantage of overcoming the issue of 'adding apples and pears' i.e. adding together quantities measured in different units.

  4. Internal rate of return - Wikipedia

    en.wikipedia.org/wiki/Internal_rate_of_return

    The period is usually given in years, but the calculation may be made simpler if is calculated using the period in which the majority of the problem is defined (e.g., using months if most of the cash flows occur at monthly intervals) and converted to a yearly period thereafter.

  5. Net present value - Wikipedia

    en.wikipedia.org/wiki/Net_present_value

    The investment horizon of all possible investment projects considered are equally acceptable to the investor (e.g. a 3-year project is not necessarily preferable vs. a 20-year project.) The 10% discount rate is the appropriate (and stable) rate to discount the expected cash flows from each project being considered.

  6. Inequality (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Inequality_(mathematics)

    The same is true for not less than, . The notation a ≠ b means that a is not equal to b; this inequation sometimes is considered a form of strict inequality. [4] It does not say that one is greater than the other; it does not even require a and b to be member of an ordered set.

  7. Student's t-test - Wikipedia

    en.wikipedia.org/wiki/Student's_t-test

    Student's t-test is a statistical test used to test whether the difference between the response of two groups is statistically significant or not. It is any statistical hypothesis test in which the test statistic follows a Student's t-distribution under the null hypothesis.

  8. Percentage-of-completion method - Wikipedia

    en.wikipedia.org/wiki/Percentage-of-Completion...

    Now, after the first year we see that total cost incurred in this first year is $3,000. So according to the percentage-of-completion method: Cost percentage = 3000/10000 = 30%; so we will recognize 30% revenue in the income statement for the first year. Income statement of AnantPurohit corporation Pvt. Ltd. for the year ended on xx/yy/zzzz:

  9. Economic production quantity - Wikipedia

    en.wikipedia.org/wiki/Economic_production_quantity

    Therefore, in order to get the optimal production quantity we need to set holding cost per year equal to ordering cost per year and solve for quantity (Q), which is the EPQ formula mentioned below. Ordering this quantity will result in the lowest total inventory cost per year.