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Updated by Candice Karas on Feb 21, 2018
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Math Tools

Math Manipulatives |

Interactive math manipulatives at!

Digital Math Manipulatives

Middle School, digital math manipulatives, spinners, number lines, algebra, number sense, ratio, proportion, geometry, fractions, decimals, statistics, probability, interactives,




Explore math with, a free online graphing calculator

CALC Swift - iOS App

Stop time-wasting today with CALC Swift ... preserve the one thing you truly own just for yourself! We offer this version of the infamous CALC app (Apple featured with over 7.7k reviews) if you don't need the Converter and Graphing. Designed to have you zip through your daily math in your own unique style!

Now featuring user-definable advanced Functions that you can Share easily with other CALC users and iOS 11 optimizations with iPad multitasking, 3D Touch shortcuts, Expandable Widget, Spotlight searching of History + watchOS 3 native App with haptic.

CALC is super intelligent, multi-functional scientific calculator that makes doing math look like art. It has built-in on-screen timer, notif. center Widget, Custom Keyboard, many pre-set functions like Date-time and Base computations and limitless combination of colors, fonts, shapes and sizes.

CALC features standard basic & scientific calculator functions, history log, and an elegant user interface. The quick timer is designed to help your track remaining mins:secs whenever you are on schedule.

CALC is really clever.
CALC can do live math expressions: from the simplest like "1+2" to more advanced expressions like "3+(3x9(80+sin(90)))"

Advanced calculator.
By swiping left and right on CALC, you can easily access over 50+ advanced math functions.

History log.
CALC remembers what you have calculated. Swipe up, and you can see all your previous calculations.

An In-App purchase is ready if you decide to add the Converter and Basic Graphing!

Calc 2M - Scientific Calculator for iOS

Calc 2M combines in a simple and beautiful design all the standard and pro features of a calculator!
We put particular attention on user experience trying to create the best possible calculator for iPad, iPhone and Apple Watch!

• History: All the expressions you make will be saved in your history, you can reuse them whenever you want.
• Drag&Drop: Drag your previously typed calculations on the display for an easier and faster entry.
• Themes: Change theme to fit your style. A lot of skin options (Dark, Light, Ninja, Sunrise, Dev, Vintage)
• Export: Print or send your calculations as you like. You can use any third-part applications that you have installed
• Widget: Need a quick calculation? Install the widget.
• Readability: Coloured syntax to improve expression readability.
• Functions: The powerful advanced functions make it ideal also for students, engineers and scientists.
• Editable expressions: Expression completely editable, use the cursor to move within the expression, copy and paste.
• Settings: Set Calc 2M according to your needs.

National Library of Virtual Manipulatives

A digital library containing Java applets and activities for K-12 mathematics


The goals of Interactivate are the creation, collection, evaluation, and dissemination of interactive courseware for exploration in science and mathematics.

Geometrize by Sam Twidale - Chrome Experiments

A tool for geometrizing images.

Idea: after learning about geometric shapes, students can compile their own "geometrized" image.