back-of-the-envelope calculation

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back-of-the-envelope calculation

A calculation or mathematical formulation that is approximated in a quick, informal, and rough manner, as might be sketched out on a scrap of paper (such as the back of an envelope). When it came time to pay the bill, we had to do some back-of-the-envelope calculations to figure out who owed how much.
References in periodicals archive ?
[H.sub.1]: There will be a statistically significant relationship between implementation of the dosage calculation module and student test scores in dosage calculation.
Therefore, the exclusion of short-term trade financing from the calculation for risk exposure doesn't make much difference.
380-91) goes on to note the wider significance of the calculation argument in the context of Mises' work on money and value.
TEPCO made the calculation around the spring of 2008 as the government changed screening standards for earthquake-resistant designs in 2006, but has taken no countermeasures, the agency said.
There may be a number of reasons for these calculations being incorrect.
Both methods of calculation are recognized internationally and approved by professional economists.
The linear module is modelled in an interactive 3D user interface, so the user can freely rotate, move and zoom the calculation model in the display.
Current calculation models, as for example similar-based calculation models or calculation models using statistical cost functions, employ past data in order to make statements about future manufacturing costs (Fonseca, 2007), (Duverlie, 1999).
Salisbury can then input the information into the Least Cost Charge Calculation program to determine what the most cost-effective scrap will be.
Syazlin: The calculation on the force of gravity you presented in court is wrong, let an expert talk about this.
However, deep seismic exploration imposes higher requirements on seismic exploration methods because of the larger area of calculation and the complexity of the structure.
Since the original zakat calculation that provided by TAZU is manual calculation by using Microsoft excel only.
A National Association of Insurance Commissioners panel is in the early stages of determining how certain life insurance captives should be treated within the NAIC's group capital calculation, with industry trade groups at odds on some decision points.
has announced the launch of MP-12R, a calculator with a Remainder Calculation function designed to be useful for warehouse operations.
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