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  2. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    3. Between two groups, may mean that the first one is a proper subgroup of the second one. > (greater-than sign) 1. Strict inequality between two numbers; means and is read as "greater than". 2. Commonly used for denoting any strict order. 3. Between two groups, may mean that the second one is a proper subgroup of the first one. ≤ 1.

  3. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    The products of small numbers may be calculated by using the squares of integers; for example, to calculate 13 × 17, one can remark 15 is the mean of the two factors, and think of it as (15 − 2) × (15 + 2), i.e. 15 2 − 2 2. Knowing that 15 2 is 225 and 2 2 is 4, simple subtraction shows that 225 − 4 = 221, which is the desired product.

  4. Phrases from The Hitchhiker's Guide to the Galaxy - Wikipedia

    en.wikipedia.org/wiki/Phrases_from_The_Hitchhiker...

    The Answer to the Ultimate Question of Life, The Universe, and Everything. In the radio series and the first novel, a group of hyper-intelligent pan-dimensional beings demand to learn the Answer to the Ultimate Question of Life, The Universe, and Everything from the supercomputer Deep Thought, specially built for this purpose.

  5. Today’s NYT ‘Strands’ Hints, Spangram and Answers ... - AOL

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    - NYT ‘Connections’ Hints and Answers Today, Tuesday, February 4. Related: 15 Fun Games Like Connections to Play Every Day. Show comments. Advertisement. Advertisement. In Other News. Finance.

  6. NYT Connections Sports Edition Today: Hints and Answers for ...

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    What Are the Answers to Connections Sports Edition Today? SCORING PLAYS : EXTRA POINT, FIELD GOAL, SAFETY, TOUCHDOWN BIG GAME SNACKS : CHIPS, NACHOS, PIZZA, WINGS

  7. How long is the Super Bowl halftime show? What past ... - AOL

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    The Super Bowl is the smorgasbord of television events. Offering something for everyone, fans can shop from home, watch commercials, enjoy a football game, consume countless foods and drinks ...

  8. Happy number - Wikipedia

    en.wikipedia.org/wiki/Happy_number

    The palindromic prime 10 150006 + 7 426 247 × 10 75 000 + 1 is a 10-happy prime with 150 007 digits because the many 0s do not contribute to the sum of squared digits, and 1 2 + 7 2 + 4 2 + 2 2 + 6 2 + 2 2 + 4 2 + 7 2 + 1 2 = 176, which is a 10-happy number. Paul Jobling discovered the prime in 2005.

  9. Mortgage and refinance rates for Feb. 7, 2025: Average rates ...

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    4 top factors that affect your mortgage rate. The difference of even half a percentage point on your interest rate can save you hundreds of dollars a month and thousands of dollars over the life ...