enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Trachtenberg system - Wikipedia

    en.wikipedia.org/wiki/Trachtenberg_system

    The Trachtenberg system is a system of rapid mental calculation. The system consists of a number of readily memorized operations that allow one to perform arithmetic computations very quickly. It was developed by the Russian engineer Jakow Trachtenberg in order to keep his mind occupied while being in a Nazi concentration camp .

  3. Kaktovik numerals - Wikipedia

    en.wikipedia.org/wiki/Kaktovik_numerals

    The Kaktovik numerals or Kaktovik Iñupiaq numerals [1] are a base-20 system of numerical digits created by Alaskan Iñupiat. They are visually iconic, with shapes that indicate the number being represented. The Iñupiaq language has a base-20 numeral system, as do the other Eskimo–Aleut languages of Alaska and Canada (and formerly Greenland).

  4. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    "A base is a natural number B whose powers (B multiplied by itself some number of times) are specially designated within a numerical system." [ 1 ] : 38 The term is not equivalent to radix , as it applies to all numerical notation systems (not just positional ones with a radix) and most systems of spoken numbers. [ 1 ]

  5. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    A numeral system is a writing system for expressing numbers; that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner. The same sequence of symbols may represent different numbers in different numeral systems. For example, "11" represents the number eleven in the decimal or ...

  6. Multiplication algorithm - Wikipedia

    en.wikipedia.org/wiki/Multiplication_algorithm

    A multiplication algorithm is an algorithm (or method) to multiply two numbers. Depending on the size of the numbers, different algorithms are more efficient than others. Numerous algorithms are known and there has been much research into the topic. The oldest and simplest method, known since antiquity as long multiplication or grade-school ...

  7. Ternary numeral system - Wikipedia

    en.wikipedia.org/wiki/Ternary_numeral_system

    A ternary / ˈtɜːrnəri / numeral system (also called base 3 or trinary) has three as its base. Analogous to a bit, a ternary digit is a trit ( tri nary dig it ). One trit is equivalent to log 2 3 (about 1.58496) bits of information . Although ternary most often refers to a system in which the three digits are all non–negative numbers ...

  8. Long and short scales - Wikipedia

    en.wikipedia.org/wiki/Long_and_short_scales

    The long and short scales are two of several naming systems for integer powers of ten which use some of the same terms for different magnitudes. [1] [2]Some languages, particularly in East Asia and South Asia, have large number naming systems that are different from both the long and short scales, such as the Indian numbering system and the Chinese, Japanese, or Korean numerals.

  9. These Calculators Make Quick Work of Standard Math ... - AOL

    www.aol.com/best-calculators-students...

    The Best Calculators. Best Overall: Texas Instruments TI-84 Plus CE Graphing Calculator. Best Budget Option: Canon LS-82Z Handheld Calculator. Best Scientific Calculator: Casio fx-115ESPLUS2 2nd ...