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  2. Base stock model - Wikipedia

    en.wikipedia.org/wiki/Base_Stock_Model

    In a base-stock system inventory position is given by on-hand inventory-backorders+orders and since inventory never goes negative, inventory position=r+1. Once an order is placed the base stock level is r+1 and if X≤r+1 there won't be a backorder. The probability that an order does not result in back-order is therefore:

  3. (Q,r) model - Wikipedia

    en.wikipedia.org/wiki/(Q,r)_model

    Infinite fill rate for the part being produced: Economic order quantity; Constant fill rate for the part being produced: Economic production quantity; Demand is random: classical Newsvendor model; Demand is random, continuous replenishment: Base stock model; Demand varies deterministically over time: Dynamic lot size model

  4. Box spread - Wikipedia

    en.wikipedia.org/wiki/Box_spread

    Profit diagram of a box spread. It is a combination of positions with a riskless payoff. In options trading, a box spread is a combination of positions that has a certain (i.e., riskless) payoff, considered to be simply "delta neutral interest rate position".

  5. Time-weighted return: What it is and how to calculate it - AOL

    www.aol.com/finance/time-weighted-return...

    Time-weighted return calculates a portfolio or fund’s performance without the distorting impact of cash flows. This can be useful for comparing the performance of different investment managers ...

  6. Basis of estimate - Wikipedia

    en.wikipedia.org/wiki/Basis_of_estimate

    To create a BOE companies, throughout the past few decades, have used spreadsheet programs and skilled cost analysts to enter thousands of lines of data and create complex algorithms to calculate the costs. These positions require a high level of skill to ensure accuracy and knowledge of using these basic level programs.

  7. Fill rate - Wikipedia

    en.wikipedia.org/wiki/Fill_rate

    Fillrate or fill rate can refer to: Fillrate, a measure of graphics performance; Service rate, a logistics measure of ordering performance;

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Time to first fix - Wikipedia

    en.wikipedia.org/wiki/Time_to_first_fix

    Time to first fix (TTFF) is a measure of the time required for a GPS navigation device to acquire satellite signals and navigation data, and calculate a position solution (called a fix). An animation depicting the orbits of GPS satellites in medium Earth orbit