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4434Harvard @ Home
http://www.merlot.org/merlot/viewMaterial.htm?id=929883
Since 2008, Harvard @ Home has provided free multimedia video presentations for the Harvard community and general public featuring programs that provide for a vista of opportunities to experience some of the teaching, cutting-edge research, and public addresses happening at Harvard. Here you will find 60+ Harvard presentation programs featuring experts and researchers discussing some fascinating topics ranging from "Beethoven to stem-cell research.״ Precalculus: OpenStax College
http://www.merlot.org/merlot/viewMaterial.htm?id=925397
Precalculus published by OpenStax College is an excellent free open textbook for college-level precalculus students. This comprehensive open textbook covers the topics typically found in a one-to-two semester college-level Precalculus course.Calculus: Early Transcendentals
http://www.merlot.org/merlot/viewMaterial.htm?id=923626
Open text, part of Lyryx Service Course Solutions (LSCS) offering a complete & customized content and support service adapted to your introductory service courses.LSCS includes an open text, formative online assessment, course supplements, and support to both the students and instructors.Reading fractions App for Android
http://www.merlot.org/merlot/viewMaterial.htm?id=922817
Basic tool for to experiment with fractions:The app lets you view the fractions represented in the form of overlapping circles and bars.The two graphs are interactive. They can be changed by dragging on the screen.Shows fractions as a pie, diagram of bars, proper fraction, improper (when needed), mixed, with words, decimal and percent.The app leverages the tactile possibilities of the tablets: You can simplify fractions with a pinch zoom. You can change the graphics dragging on the screen.For Android devices 2.2 and upPythagorean Theorem Worksheet - Customizable and Printable
http://www.merlot.org/merlot/viewMaterial.htm?id=918186
Quickly customize this Pythagorean theorem worksheet with up to 9 problems. Choose to solve for legs, hypotenuse, or both. Each worksheet is randomly generated as a PDF.Adding Unit Fractions App for Android
http://www.merlot.org/merlot/viewMaterial.htm?id=917779
The app proposes 21 challenges to overcome.Obtaining the proper fractions listed at the top of the application, adding two or three unit fractions.Each proposed proper faction has a variable number of solutions.And different levels of difficultyYou can not repeat unit fractions with the same value.In the app you'll find a button to delete all the solutions found in the current problem, and to start from scratch.The littlest unit fraction used in this app is 1/28.The program is designed to show the usefulness of the subtraction of fractions in solving such problems.Matrix Properties
http://www.merlot.org/merlot/viewMaterial.htm?id=915092
Given an (mxn) matrix, this tool generates the dimensions and a basis for each of the four subspaces: column space, null space, row space, and left null space. Gaussian Elimination
http://www.merlot.org/merlot/viewMaterial.htm?id=914328
Gauss elimination is a method of solving a system of linear equations. This site contains an interactive tool that performs Gauss elimination procedure one step at a time. The result is displayed after each step. A user can also use this tool to invert a matrix. Contemporary Calculus I
http://www.merlot.org/merlot/viewMaterial.htm?id=913152
This is a textbook for differential calculus with explanations, examples, worked solutions, problem sets and answers. It has been reviewed by calculus instructors and class-tested by them and the author.Topics are typically introduced by way of applications, and the text contains the usual theorems and techniques of a first course in calculus. Besides technique practice and applications of the techniques, the examples and problem sets are also designed to help students develop a visual and conceptual understanding of the main ideas of differential calculus.This is the first of a three-part calculus series. The others are available on the author's website. iFactor Quadratics App for iOS
http://www.merlot.org/merlot/viewMaterial.htm?id=910935
'This is a simple application that will factor quadratic equations, if possible. It's quick, handy, and easy. Example: 6x² + 13x + 6 = (2x+3)(3x+2).If you need to *solve* quadratics as well as factor them, you should check out iFactor and Solve Quadratics in the app store. It can handle any quadratic, including ones with complex roots.'This is a free app