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  2. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3] On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.

  3. Elementary algebra - Wikipedia

    en.wikipedia.org/wiki/Elementary_algebra

    For example, taking the statement x + 1 = 0, if x is substituted with 1, this implies 1 + 1 = 2 = 0, which is false, which implies that if x + 1 = 0 then x cannot be 1. If x and y are integers, rationals, or real numbers, then xy = 0 implies x = 0 or y = 0. Consider abc = 0. Then, substituting a for x and bc for y, we learn a = 0 or bc = 0.

  4. Quadratic formula - Wikipedia

    en.wikipedia.org/wiki/Quadratic_formula

    The roots of the quadratic function y = ⁠ 1 / 2x 2 − 3x + ⁠ 5 / 2 ⁠ are the places where the graph intersects the x-axis, the values x = 1 and x = 5. They can be found via the quadratic formula. In elementary algebra, the quadratic formula is a closed-form expression describing the solutions of a quadratic equation.

  5. List of trigonometric identities - Wikipedia

    en.wikipedia.org/wiki/List_of_trigonometric...

    A formula for computing the trigonometric identities for the one-third angle exists, but it requires finding the zeroes of the cubic equation 4x 3 − 3x + d = 0, where is the value of the cosine function at the one-third angle and d is the known value of the cosine function at the full angle.

  6. Search underway for Michigan woman, 66, who disappeared ... - AOL

    www.aol.com/search-underway-michigan-woman-66...

    An active search is underway for a 66-year-old Michigan woman who disappeared from a popular tourist hot spot during a trip to the Grand Canyon more than a week ago, officials said.

  7. No 'rizz': School accused of banning Gen Alpha slang

    www.aol.com/no-rizz-school-accused-banning...

    An Iowa school is catching flak for having no “rizz.”. A teacher in a school district near the Nebraska border is being accused of banning the word short for charisma along with over two dozen ...

  8. Can You Do a Pushup? This Is How Many You Should Be ... - AOL

    www.aol.com/pushup-many-able-perform-depending...

    At 45, the time increases to 14 minutes for women, and 12 for me. By the time you hit 65, women should be able to do the stretch in 17.5 minutes, and men should be able to run the distance in 14 ...

  9. 4×2 - Wikipedia

    en.wikipedia.org/wiki/4×2

    4x2 may refer to: A four-wheeled two-wheel drive vehicle; 4 inch × 2 inch profile dimensional lumber; 4 × 200 metres relay, an athletics track event; 4X2=8, a 2017 album by Psy; OR4X2, olfactory receptor 4X2, a protein

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