en.wikipedia.org/wiki/Earned_run_average

In baseball statistics, earned run average (ERA) is the mean of earned runs given
up by a ...

www.homerunweb.com/era.html

How to Calculate Earned Run Average (ERA) As the basic statistical measure of
a pitcher, ERA ... ERA? The formula is simple, but you do need a calculator:.

www.freemathhelp.com/earned-run-average.html

This quick lesson will show you how to calculate ERA and provide a few example
of ... The earned run average can be calculated using the following formula: ...

www.wikihow.com/Calculate-ERA-(Earned-Run-Average)

ERA (Earned Run Average) is the average number of earned runs a pitcher
allows for ... This is one of the most useful calculations in baseball, as it shows
the ...

www.csgnetwork.com/baseballpitchingstatsformulae.html

Baseball Pitching Stats Formulae, Palm Springs, Cathedral City, Palm Desert, ... it
means but many often forget the formula used to compute the pitchers ERA.

www.predictem.com/mlb/era.php

Calculatins and formula for earned run average. ... How to Calculate ERA ...
Unlike some other baseball stats, we don't round up when we're talking about
ERA.

www.basic-mathematics.com/calculate-earned-run-average.html

To calculate earned run average (ERA) of a baseball player, just use the
following formula: Earned run average = (Number of earned runs × 9)/(number of
...

www.beyondtheboxscore.com/2012/9/14/3332194/era-plus-vs-era-minus

Sep 14, 2012 ... What's the difference between ERA+ and ERA-, and why does it matter ... at
Baseball-Reference, and ERA-, an advanced statistic that can be found at
FanGraphs .... Swapping out Diamond's ERA+, we get the formula (1.17^2) ...

www.infosports.com/baseball/arch/2963.htm

ERA formula. By: Scorekeeper. 2002 OBR Rule 10.22(e) Pitcher's earned run
average, multiply the total earned runs charged against his pitching by 9, and ...

www.algebra.com/algebra/homework/Systems-of-equations/Systems-of-equations.faq.question.988346.html

SOLUTION: To find a baseball pitcher's earned run average (ERA), you can use
the formal Ei= 9r, in which E represents ERA, i represents the number of innings ...