Inhoudsopgave
Waar staat afkorting pi voor?
Het symbool π is de kleine letter pi uit het Griekse alfabet (overeenkomend met de Latijnse p). Dit symbool werd door Engelse wiskundigen William Oughtred in 1647, en Isaac Barrow in 1664 al gebruikt als afkorting van het Griekse woord περιφέρεια (periphereia = omtrek van een ronde vorm).
Heeft Pi een einde?
Zoals je misschien weet, is pi het getal dat je krijgt wanneer je de omtrek van een cirkel deelt door zijn diameter. Voor elke cirkel is deze verhouding hetzelfde getal en dat getal hebben we “pi” genoemd. Het vreemde is dat er geen einde komt aan de cijfers na de komma: pi heeft oneindig veel cijfers na de komma.
What is the meaning of Pi in economics?
Economic Definition of PI. Defined. Offline Version: PDF. Term PI Definition: The abbreviation for personal income, which is the total income received by the members of the domestic household sector, which may or may not be earned from productive activities during a given period of time, usually one year.
What is the Pi (profitability index)?
Profitability index ( PI ), also known as profit investment ratio ( PIR) and value investment ratio ( VIR ), is the ratio of payoff to investment of a proposed project. It is a useful tool for ranking projects because it allows you to quantify the amount of value created per unit of investment. The ratio is calculated as follows:
What does it mean if the pI value is lower than one?
Any value lower than one would indicate that the project’s present value (PV) is less than the initial investment. As the value of the profitability index increases, so does the financial attractiveness of the proposed project. The PI is similar to the Return on Investment (ROI), except that the net profit is discounted.
What is Pipi and why is it used in Excel?
PI is used because the writer doesn’t want to use X or THETA or RHO or … it’s just a placeholder for a variable. It helps to make the choice when the thing being represented begins with P, like Profit, Percent, etc.