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  2. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Mental calculation consists of arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator. People may use mental calculation when computing tools are not available, when it is faster than other means of calculation (such as conventional educational institution ...

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

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

    This is a list of open-source software to be used for high-order mathematical calculations. This software has played an important role in the field of mathematics. [ 1 ] Open-source software in mathematics has become pivotal in education because of the high cost of textbooks.

  4. Trachtenberg system - Wikipedia

    en.wikipedia.org/wiki/Trachtenberg_system

    Trachtenberg called this the 2 Finger Method. The calculations for finding the fourth digit from the example above are illustrated at right. The arrow from the nine will always point to the digit of the multiplicand directly above the digit of the answer you wish to find, with the other arrows each pointing one digit to the right.

  5. Kindergarten math is often too basic and that can be a problem

    www.aol.com/kindergarten-math-often-too-basic...

    To improve students' math skills, some schools and districts have recently upgraded the math curriculum and materials teachers use, so they are able to build increasingly complex skills in an ...

  6. Gates Foundation awards $1 million grants to improve math ...

    www.aol.com/gates-foundation-awards-1-million...

    Grants from the Bill & Melinda Gates Foundation’s Balance the Equation – A Grand Challenge for Algebra I will award... View Article The post Gates Foundation awards $1 million grants to ...

  7. List of arbitrary-precision arithmetic software - Wikipedia

    en.wikipedia.org/wiki/List_of_arbitrary...

    Calculations created with AutoCalcs can be embedded into 3rd party websites. 4.2. AutoCalcs Docs - considering above mentioned AutoCalcs as the calculation engine, this Docs site is a library with a host of calculations, where each calculation is essentially a web app that can run online, be further customized, and much more. Imaging reading a ...