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  2. ExploreLearning - Wikipedia

    en.wikipedia.org/wiki/ExploreLearning

    ExploreLearning is a Charlottesville, Virginia -based company which operates a large library of interactive online simulations for mathematics and science education in grades 3–12 called 'Gizmos'. ExploreLearning also makes Reflex, an online, game-based system for math fact memorization. [1] ExploreLearning is a business unit of Cambium ...

  3. List of open-source software for mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    SageMath is designed partially as a free alternative to the general-purpose mathematics products Maple and MATLAB. It can be downloaded or used through a web site. SageMath comprises a variety of other free packages, with a common interface and language. SageMath is developed in Python.

  4. AOL

    login.aol.com

    AOL is a leading online service provider that offers free email, news, entertainment, and more. With AOL, you can access your email from any device, customize your inbox, and enjoy a secure and reliable email experience. Sign in to AOL today and discover the benefits of AOL Mail.

  5. PTC (software company) - Wikipedia

    en.wikipedia.org/wiki/PTC_(software_company)

    PTC Inc. (formerly Parametric Technology Corporation) is a computer software and services company founded in 1985 and headquartered in Boston, Massachusetts.The company was a pioneer in parametric, associative feature-based, solid computer-aided design (CAD) modeling software in 1988, including an Internet-based product for Product Lifecycle Management (PLM) in 1998.

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Free PSA and Prostate Cancer: What You Should Know - Healthline

    www.healthline.com/health/prostate-cancer-free-psa

    Free PSA is measured as the proportion of free PSA to total PSA. Below is a table outlining the likelihood of finding prostate cancer based on the percentage of free PSA in men with a total PSA ...

  8. Balance exercises: 13 Moves with Instructions - Healthline

    www.healthline.com/health/exercises-for-balance

    Stand on your left leg with your right leg lifted. Use a chair or wall for support as you stretch your right leg forward. Maintain good posture by keeping your spine, neck, and head in one line ...

  9. Typical results for the total T4 test in adults generally range from 5.0 to 12.0 micrograms per deciliter (μg/dL). Results for children vary based on age. Talk to your doctor about the normal ...