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  2. Subtraction - Wikipedia

    en.wikipedia.org/wiki/Subtraction

    Subtraction is usually written using the minus sign "−" between the terms; that is, in infix notation. The result is expressed with an equals sign. For example, = (pronounced as "two minus one equals one") = (pronounced as "four minus two equals two")

  3. Logarithm - Wikipedia

    en.wikipedia.org/wiki/Logarithm

    Intervals between arbitrary pitches can be measured in octaves by taking the base-2 logarithm of the frequency ratio, can be measured in equally tempered semitones by taking the base-2 1/12 logarithm (12 times the base-2 logarithm), or can be measured in cents, hundredths of a semitone, by taking the base-2 1/1200 logarithm (1200 times the base ...

  4. Negative number - Wikipedia

    en.wikipedia.org/wiki/Negative_number

    Negative numbers are usually written with a minus sign in front. For example, −3 represents a negative quantity with a magnitude of three, and is pronounced "minus three" or "negative three". Conversely, a number that is greater than zero is called positive; zero is usually (but not always) thought of as neither positive nor negative. [2]

  5. Arithmetic - Wikipedia

    en.wikipedia.org/wiki/Arithmetic

    Arithmetic is relevant to many fields. In daily life, it is required to calculate change when shopping, manage personal finances, and adjust a cooking recipe for a different number of servings. Businesses use arithmetic to calculate profits and losses and analyze market trends.

  6. Plus–minus sign - Wikipedia

    en.wikipedia.org/wiki/Plus–minus_sign

    The plus–minus sign or plus-or-minus sign (±) and the complementary minus-or-plus sign (∓) are symbols with broadly similar multiple meanings. In mathematics , the ± sign generally indicates a choice of exactly two possible values, one of which is obtained through addition and the other through subtraction .

  7. This critical formula can transform your personal finances ...

    www.aol.com/finance/critical-formula-transform...

    The Consumer Financial Protection Bureau reports that average credit card APRs have skyrocketed over the last decade or so, climbing from 12.9% (2013) to 22.8% (2023).

  8. How do you calculate cost basis on investments? - AOL

    www.aol.com/finance/calculate-cost-basis...

    The capital gain on this transaction is how much you sold it for minus the cost basis: $1,500 – $1,000 = $500. This $500 gain is subject to capital gains tax. Factors that impact an investment ...

  9. Formula calculator - Wikipedia

    en.wikipedia.org/wiki/Formula_calculator

    The formula calculator concept can be applied to all types of calculator, including arithmetic, scientific, statistics, financial and conversion calculators. The calculation can be typed or pasted into an edit box of: A software package that runs on a computer, for example as a dialog box. An on-line formula calculator hosted on a web site.