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You may have already had to digitize a curve from an original document in the form of an image, which is quite tedious to do by hand.

To facilitate the digitization of curves, we have created a small utility that allows you to display on the screen the previously scanned image of a graph, then to very easily record the points of the curves you are interested in (up to 2000).

Subject:
Applied Science
Computer Science
Material Type:
Activity/Lab
Diagram/Illustration
Homework/Assignment
Interactive
Author:
Renaud Gicquel
Date Added:
11/02/2023
Unrestricted Use
CC BY
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Introdution into Economic thinking.  Learn about the Factors of Production and Production Possibilities.

Subject:
Economics
Material Type:
Activity/Lab
Author:
Ben Knight
Date Added:
07/27/2020
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Educational Use
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Students come to see the exponential trend demonstrated through the changing temperatures measured while heating and cooling a beaker of water. This task is accomplished by first appealing to students' real-life heating and cooling experiences, and by showing an example exponential curve. After reviewing the basic principles of heat transfer, students make predictions about the heating and cooling curves of a beaker of tepid water in different environments. During a simple teacher demonstration/experiment, students gather temperature data while a beaker of tepid water cools in an ice water bath, and while it heats up in a hot water bath. They plot the data to create heating and cooling curves, which are recognized as having exponential trends, verifying Newton's result that the change in a sample's temperature is proportional to the difference between the sample's temperature and the temperature of the environment around it. Students apply and explore how their new knowledge may be applied to real-world engineering applications.

Subject:
Applied Science
Chemistry
Engineering
Physical Science
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Karl Abdelnour
Nicole Abaid
Robert Eckhardt
Date Added:
09/18/2014
Unrestricted Use
CC BY
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Principles of Macroeconomics 2e covers the scope and sequence of most introductory economics courses. The text includes many current examples, which are handled in a politically equitable way. The outcome is a balanced approach to the theory and application of economics concepts. The second edition has been thoroughly revised to increase clarity, update data and current event impacts, and incorporate the feedback from many reviewers and adopters.Changes made in Principles of Macroeconomics 2e are described in the preface and the transition guide to help instructors transition to the second edition.

Subject:
Economics
Social Science
Material Type:
Full Course
Provider:
Rice University
Provider Set:
OpenStax College
Date Added:
06/29/2017
Unrestricted Use
CC BY
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By the end of this section, you will be able to:

Contrast expansionary monetary policy and contractionary monetary policy
Explain how monetary policy impacts interest rates and aggregate demand
Evaluate Federal Reserve decisions over the last forty years
Explain the significance of quantitative easing (QE)

Subject:
Applied Science
Material Type:
Module
Date Added:
09/20/2018
Only Sharing Permitted
CC BY-NC-ND
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These Trigonometry lecture videos coterminal angles, trig functions, quadrantal angles, special acute angles, co-functions, finding theta, reference angles, trig functions, radian measure, arc length, area of a sector, graphing sine and cosine using t-table, amplitude and frequency, phase shift for sine and consine, vertical shift, tangent curve, cotangent transformations, evaluating trig identities, trig expressions, sum and difference for cosine, double and half angle identities, inverse, principal values, solving difficult trig equations, law of cosines, area of a triangle, and vectors and bearing.

Subject:
Mathematics
Trigonometry
Material Type:
Lecture
Provider:
Bossier Parish Community College
Author:
Stacey Black
Date Added:
10/11/2017