## Saturday, December 22, 2012

### Mathsbookmarks (weekly)

• "Webmath.com is a math-help web site hosted by Discovery Education. Webmath helps students learn how to solve math problems ranging from simple addition to Trigonometry & Calculus. Solutions to all problems are presented in a realtime, step-by-step, manner. Objectives: Reasons for Developing IDEAL WebMath"

• Math formulas and calculators showing every step of the calculation. Solve the most common mathematical exercises in school, with formulas and calculators showing every step of the calculation, including explanations and intermediate results. Mathinary is concentrated on math in schools from the third to the tenth grade, but also covering topics used in higher educations. Mathinary is an invaluable app for children in school, their parents and others who needs help with math or those who just want to freshen up their knowledge. The following topics are covered: * Plane geometry Annulus, circle, circular segment, circular sector, parabola, parallelogram, polygon, points and lines, rectangle, rhombus, square, trapezoid/trapezium, triangle (construction, right and common) and the unit circle. Calculate, draw and learn the geometric shapes, with calculators which can draw parabolas, circles in the coordinate system, draw triangles with compass, ruler and protractor with step by step instructions and a lot more within geometry. * Solid geometry Cylinder, cone, cuboid, prism, pyramid, sphere and truncated cone Calculate the solids and see the formulas for volume, surface area. * Conversions Area, degrees and radians, length, volume, currency Convert between different units, learn how to convert between different currencies and convert between degrees and radians, directly in the app. * Finance Compound interest, currency conversion, future value of an annuity, percentage, present value of an annuity, value added tax. Learn the difference between the types of loans and savings. Get help with calculating percentages. * Algebra and numbers Adding/subtracting/dividing/multiplying using paper and pencil, exponentiation, first degree equations, fractions, number categories, parentheses, quadratic equations. See the rules for exponentiations and parentheses or learn how to divide two numbers on paper. The calculator sets up the division with step by step explanations. Learn how to solve equations or see if a number is a prime or a composite number. * Games and training Learn how to multiply the numbers from 1 to 10 with a fun little game. Easy at first, but very soon challenging. Mathinary has been tested on the following phones: HTC Legend, Wildfire, Desire LG Optimus Samsung Galaxy S2 Mathinary requires Android 2.2 or above. (We are working on support for lower versions of Android) The developers can be contacted within the app, in the section “About and contact” and then “Contact us”.

• "Solve your math problems anywhere, anytime. Bring the solving power of Mathway.com to your Android device, no network access required! Get free instant answers to your math problems, or upgrade to a premium membership to also receive step-by-step work and explanations. With tens of millions of problems already solved, Mathway is the #1 problem solving resource available for students, parents, and teachers. Math subjects covered include Basic Math, Pre-Algebra, Algebra, Trigonometry, Precalculus, Calculus, and Statistics."

Posted from Diigo. The rest of my favorite links are here.

## Saturday, December 15, 2012

### Mathsbookmarks (weekly)

• Graphing #mathematics Stories - 15 seconds at a time http://t.co/935Z1x1P

Posted from Diigo. The rest of my favorite links are here.

## Saturday, December 8, 2012

### Mathsbookmarks (weekly)

• Benefits of Student Digital Footprints in Science and #Mathematics http://t.co/gdDuxgvZ

• Algebra Touch #Mathematics iPad App: A Teacher's Review http://t.co/mCrS3az3 #mathchat

Posted from Diigo. The rest of my favorite links are here.

## Saturday, December 1, 2012

### Mathsbookmarks (weekly)

• tags: algebra mathematics

• Software company releases free local educational resource for teachers and students http://t.co/Z6BRt5Dq

Posted from Diigo. The rest of my favorite links are here.