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  2. Day count convention - Wikipedia

    en.wikipedia.org/wiki/Day_count_convention

    The day count is also used to quantify periods of time when discounting a cash-flow to its present value. When a security such as a bond is sold between interest payment dates, the seller is eligible to some fraction of the coupon amount. The day count convention is used in many other formulas in financial mathematics as well.

  3. Optimal stopping - Wikipedia

    en.wikipedia.org/wiki/Optimal_stopping

    If you sell your house on day , you will earn , where = (). You wish to maximise the amount you earn by choosing a stopping rule. In this example, the sequence ( X i {\displaystyle X_{i}} ) is the sequence of offers for your house, and the sequence of reward functions is how much you will earn.

  4. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3] On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.

  5. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]

  6. New Illinois laws affecting electronic cigarettes go into ...

    www.aol.com/news/illinois-laws-affecting...

    (The Center Square) – New Illinois laws that go into effect Jan. 1 will place more restrictions on electronic cigarettes. One law prohibits the advertising, marketing or promoting of an ...

  7. Amazon workers authorize strike at company's first-ever ...

    www.aol.com/news/amazon-workers-authorize-strike...

    The average length of time before a new union signs its first contract is 465 days, according to a Bloomberg Law analysis in 2022. Nearly 990 days have passed since Amazon workers in New York City ...

  8. Costco membership growth 'robust,' even amid fee increase ...

    www.aol.com/costco-membership-growth-robust-even...

    More shoppers came to Costco stores in the three months ending Nov. 24, just days ahead of Black Friday. The company saw sales up 7.5% over last year.

  9. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.