Writing Effective Use Cases Writing Effective Use Cases Alistair Cockburn Humans and Technology in preparation for Addison-Wesley Longman‚ Q3 2000. ©A.Cockburn 1999 Page 1 of 204 Writing Effective Use Cases Prologue There are still no trusted guides about how to write (or review) use cases‚ even though it is now nearly a decade since use cases have become the "norm" for writing functional requirements for object-oriented software systems‚ and are gaining acceptance for embedded software
Premium Use case
Modeling Gasoline Demand in the United States Economics 375 DePaul University‚ Chicago‚ IL 60601 June 13‚ 2012 Abstract This paper is an econometric approach to the estimation of price and income elasticities of gasoline demand in the United States from a translog model‚ and is based off of the most recent data available for use. This approach allows for variables to interact in a flexible yet instrumental way‚ providing for significant evidence that gasoline demand elasticities are construed
Premium Regression analysis Supply and demand Price elasticity of demand
Amateur hobbyists are creating home-brew molecular-biology labs‚ but can they ferment a revolution? $195–$1‚000 $250–$2‚000 MICROCENTRIFUGE $60–$850 IMPROVISATION IS KEY To do molecular biology on the cheap‚ biohackers have developed some creative workarounds: • for a $10 microscope‚ pop the lens o a webcam and stick it back on backwards. • for an $80 centrifuge‚ order the DremelFuge rotor and attach to a Dremel rotary tool. • for a free 37 ºC incubator‚ incubate tubes of E. coli in
Premium Molecular biology Protein DNA
Faculty of Medicine MAHSA UNIVERSITY STUDY GUIDE Block: Genetics‚ Immunology & Molecular Medicine (GIM) Session: 2013/2014 Semester 1 (Year 1) MBBS PROGRAM Block Coordinator: Dr Selvi Palasubramaniam CONTENTS 1. Teaching Staff & Contacts 2 2. Academic calendars MBBS Session 2013 / 2014 3 3
Premium Immune system
SYNOPSIS Subject :- ULTRASONIC RADAR Group Members :- INTRODUCTION Radar is a system that uses electromagnetic waves to identify the range‚ altitude‚ direction‚ or speed of both moving and fixed objects such as aircraft‚ ships‚ motor vehicles‚ weather formations and terrain. The term RADAR was coined in 1941 as an acronym for Radio Detection and Ranging. The term has since entered the English language as a standard word‚ radar‚ losing the capitalization in the process. Radar was originally
Premium Ultrasound Radio
DOVER PUBLICATIONS‚ INC. l. MOLECULAR DIMENSIONS III A NEW DETERMINATION OF MOLECULAR DIMENSIONS (From the Annalen der Physik (4)‚ 19‚ 1906‚ pp. 289-306. Corrections‚ ibid.‚ 34‚ 1911‚ pp. 591-5922.](23) T HE kinetic theory of gases made possible the earliest determinations of the actual dimensions of the molecules‚ whilst physical phenomena observable in liquids have not‚ up to the present‚ served for the calculation of molecular dimensions. The explanation of this doubtless
Premium Solution Molecule Albert Einstein
simulation study 10 M 1b) Differentiate between continuous and discrete systems. 5M 1c)What is system and system environment?List the components of a system‚with example. 5 M Dec 2011 1a. List any five circumstances when the simulation is the appropriate tool and when it is not. 10 M 1b) Explain the steps in a simulation study‚ with a flow chart 10 M June 2011 1a) What us system and system environment? Explain the components of a system with an example. 10 M 1b) Explain
Premium Random variable Probability theory Poisson distribution
SEPTEMBER 2011 MODELING METHODOLOGY Authors Robert J. Wyle‚ CFA Yaakov Tsaig‚ Ph.D Implementing High Value Funds Transfer Pricing Systems Abstract Funds transfer pricing (FTP) is the process through which banks allocate earnings to the various lines of business in which they are engaged. The realization that FTP is an important part of enterprise risk mitigation has sparked new interest in this technique‚ both in regulatory publications and industry findings. Like any other complex control
Premium Risk management Finance Asset
the after-tax cost of debt was calculated to be asdfkl;safd. These are logical calculations‚ since the majority of Microsoft’s bonds do‚ in fact‚ have interest rates around 4%. Note‚ the interest on Microsoft’s bonds is incurred on a semi-annual basis and was calculated in this report on the same basis. Therefore‚ the semi-annual cost of debt would be half this value: 2%. Some other notes to consider in bond calculations are given below: Do we have any other notes to consider guys? Feel free to message
Premium Finance Time Interest
Excellent work! A cell goes from diploid (2N) to haploid (1N) during meiosis I when pairs of homologous chromosomes split apart into different daughter cells. This haploid condition continues during meiosis II when sister chromatids split apart during the formation of four daughter cells. Score for incorrect answer: 0 General feedback 1 (May include media. Include graphic and file name): Remember that a diploid cell has pairs of chromosomes—each pair represents one chromosome that came from the
Premium Chromosome Meiosis Mitosis