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  2. Jefimenko's equations - Wikipedia

    en.wikipedia.org/wiki/Jefimenko's_equations

    In electromagnetism, Jefimenko's equations (named after Oleg D. Jefimenko) give the electric field and magnetic field due to a distribution of electric charges and electric current in space, that takes into account the propagation delay (retarded time) of the fields due to the finite speed of light and relativistic effects.

  3. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011.

  4. Free-space path loss - Wikipedia

    en.wikipedia.org/wiki/Free-space_path_loss

    Derivation of the dB version of the Path Loss Equation; Path loss Pages for free space and real world – includes free-space loss calculator; Hilt, A. “Throughput Estimation of K-zone Gbps Radio Links Operating in the E-band”, Journal of Microelectronics, Electronic Components and Materials, Vol.52, No.1, pp.29-39, 2022.

  5. List of formulae involving π - Wikipedia

    en.wikipedia.org/wiki/List_of_formulae_involving_π

    where C is the circumference of a circle, d is the diameter, and r is the radius.More generally, = where L and w are, respectively, the perimeter and the width of any curve of constant width.

  6. Derrick and Patrice Jelliffe - Wikipedia

    en.wikipedia.org/wiki/Derrick_and_Patrice_Jelliffe

    Derrick Jelliffe was awarded the Wihuri International Prize in 1979. [8] In 1982, Derrick Jelliffe received an honorary doctorate from the Faculty of Medicine at Uppsala University, Sweden. [9] Patrice Jelliffe was awarded the President's Certificate of Commendation from President Clinton at the White House in 1993.

  7. New Findings Show IRAs And 401(k)s Contribute Less Than 20% ...

    www.aol.com/findings-show-iras-401-k-223015245.html

    Retirement savings plans like IRAs and 401(k)s are often promoted as key tools for securing financial stability in retirement. However, new findings from the Employee Benefit Research Institute ...

  8. You need money and have no savings. Here’s what to do instead ...

    www.aol.com/finance/money-no-savings-instead...

    Something happened, and you need money. Urgently. You look at your savings account. Tumbleweeds roll across the place your emergency fund should occupy. Meanwhile, your credit card beckons with ...

  9. HP 35s - Wikipedia

    en.wikipedia.org/wiki/HP_35s

    The HP 35s (F2215A) is a Hewlett-Packard non-graphing programmable scientific calculator. Although it is a successor to the HP 33s, it was introduced to commemorate the 35th anniversary of the HP-35, Hewlett-Packard's first pocket calculator (and the world's first pocket scientific calculator).