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US producer price index 2005-2022. The Producer Price Index (PPI) is the official measure of producer prices in the economy of the United States. It measures average changes in prices received by domestic producers for their output. The PPI was known as the Wholesale Price Index, or WPI, up to 1978.
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The gold/silver ratio is the oldest continuously tracked exchange rate in history. [9] In Roman times, the price ratio was set at 12 (or 12.5) to 1. [ 10 ] In 1792, the gold/silver price ratio was fixed by law in the United States at 15:1, [ 11 ] which meant that one troy ounce of gold was worth 15 troy ounces of silver; a ratio of 15.5:1 was ...
The methodology and data used for the index set it apart from several existing metrics, such as the ICE U.S. Dollar Index, Dow Jones FXCM Dollar Index and FTSE Curex USD/G8 Index. The WSJ Dollar Index is a trade weighted index but unlike some of the other metrics, the WSJ Dollar Index captures the impact of capital flows on currency volumes, a ...
Emma Haruka Iwao (born April 21, 1984) is a Japanese computer scientist and cloud developer advocate at Google. [5] [6] In 2019 Haruka Iwao calculated the then world record for most accurate value of pi (π); which included 31.4 trillion digits, exceeding the previous record of 22 trillion.
Pi: 3.14159 26535 89793 23846 [Mw 1] [OEIS 1] Ratio of a circle's circumference to its diameter. 1900 to 1600 BCE [2] Tau: 6.28318 53071 79586 47692 [3] [OEIS 2] Ratio of a circle's circumference to its radius. Equal to : 1900 to 1600 BCE [2] Square root of 2,
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.
Calculated pi to 72 digits, but not all were correct 71: 1706: John Machin [2] 100: 1706: William Jones: Introduced the Greek letter ' π ' 1719: Thomas Fantet de Lagny [2] Calculated 127 decimal places, but not all were correct 112: 1721: Anonymous Calculation made in Philadelphia, Pennsylvania, giving the