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  1. Scientific Calculator - Math is Fun

    This is a very powerful Scientific Calculator You can use it like a normal calculator, or you can type formulas like (3+72)2 It has many...

  2. What does dialing *#21# do on iPhone? - Apple Community

    Aug 17, 2020 · It's actually *#21# All that code does is tells you if call forwarding is on or off. There's a whole bunch of things you can do with these secret "codes." they are harmless as …

  3. Code: *#21# Meaning and Explanation Of The Hoax - SimplyMac

    Aug 19, 2024 · There are myths surrounding *#21# that claim it can reveal if a phone has been compromised by wiretapping, spyware, or if it’s being monitored by entities like the CIA or law …

  4. The *#21# and ##21# Codes: Meanings and Uses Explained in this …

    Jun 8, 2023 · What do the *#21# and ##21# codes mean? Does dialing them on your Samsung phone or other Android phone tell you whether your cell phone has been tapped?

  5. Can Calling *#21# Reveal FBI iPhone Wiretap? - Forbes

    Dec 8, 2022 · When you dial *#21#, you are, in fact, activating a feature access code that quickly tells you the status of call forwarding for your phone. It's a quick way of seeing what, in the …

  6. FACT CHECK: Does Dialing ‘*#21#’ Reveal If Your iPhone Is Wiretapped?

    Jul 29, 2020 · In reality, the results of dialing “*#21#” do not show whether or not an iPhone has been compromised in such a manner. The featured sequence of special characters and …

  7. Simplify square root of 21 | Mathway

    Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

  8. 21 - Wikipedia

    Twenty-one, XXI or 21 may refer to: 21 (2008 film), starring Kevin Spacey, Laurence Fishburne, Jim Sturgess, and Kate Bosworth.

  9. Why A Minimum Legal Drinking Age of 21 Works | Alcohol Use

    May 15, 2024 · How the age 21 minimum legal drinking age saves lives and protects health.

  10. Unlocking the Mystery of *#21#: What Does it Mean and How …

    May 31, 2025 · What Is #21# And How Does It Work? 21# is a special code used in mobile phones to check the status of call forwarding. When you dial #21#, your phone will display the …