Sentences with phrase «back of the envelope calculations using»

Back of the envelope calculations using the advertised levy rates for commercial and private vehicles (from 20 for private cars all the way to 200 GHS for heavy duty trucks), show that RSML could make $ 50 million dollars a year (ignoring surcharges) should they succeed in ensuring a 75 % fee payment compliance rate among motorists.

Willis, your back of the envelope calculation using the standard e = mc (deltaT) calculation rearranged to indicate a 38K rise in GAT is based on old physics.

Not exact matches

Back - of - the - envelope calculations (described below) suggest that as little as a million dollars could be used to shore up futures positions and influence the auction market.

He said he used official figures and plausible assumptions to reach the estimate, but a government source dismissed that figure as based on «back - of - an - envelope calculations».

Using back - of - the - envelope calculations of how air and heat flow through structures, he argues that fires with those proportions produce the hottest flames for their volume of fuel.

Previous studies of how such a scheme would lower Earth's temperature used back - of - the - envelope calculations.

Using back - of - the - envelope calculations, the authors estimate that school districts saved $ 550.5 million by replacing older, more expensive teachers with younger, cheaper ones.

«In one case I did a back - of - the - envelope calculation... and realized that if I used bank Z instead of bank X, I could have gotten $ 400 or $ 500 more dollars,» says Malkin.

Using this back of the envelope calculation, the withdrawal rate was 5.5 %.

Rules of thumbs can be useful for back - of - the - envelopes calculations, but should not be used for divorce settlement calculations, as they are rarely correct.

I know you do not want to be stock - specific but it would be great if you could provide examples of some back - of - the - envelope calculations using fictional companies.

Indeed, her survey of Maine residents who feed outdoor cats leads her to conclude that this population may be no more than 10 — 15 percent of the pet cat population — which, if one does a back - of - the - envelope calculation using survey data from the American Pet Products Association and census data for the number of households in Maine, would mean something like 18,700 — 28,000 unowned cats.

A simple calculation for the 19th and 18th centuries is quickly and easily done using results from their table 1 and figures 1 - 2: A back - of - the envelope calculation based on the 19th and 18th centuries suggests that the transfer functions now would yield an increase of almost 1K for the period 1900 - 2000, most of which should have been realized by 1980!

Check out the rest of Robert Rapier's post for a back of the envelope calculation on land use with cellulosic ethanol production:

This done by commissioning someone with the appropriate letters after their name to do back - of - an - envelope calculations using the figures which have already been «established» by other players in the game.

Several months ago, I did a quick and dirty, back of the envelope type calculation of globally averaged specific humidity trends using the NCEP / NCAR reanalysis data available on the web for the period 1964 to 2007.

Real science occasionally uses back - of - the - envelope calculations to identify interesting questions or to double check answers, but the real results come from much more complex calculations that take into account many more factors... but apparently you have trouble realizing that your Excel - based chicken - scratchings aren't the be-all and end - all of climate science.

Note that in the back - of - envelope calculation that Fred provides, where he takes the derivative of the Stefan - Boltzmann equation, he is using the emission temperature (where radiative balance is set), not the surface temperature.