List of Online Calculators for Math, Physics, Earth and Other Curiosities

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fresh_42

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I've gone through my bookmarks and found some interesting aka helpful online tools.
Please report broken links to a moderator. Additional ones should be added here, so again please contact a moderator.

Time
https://greenwichmeantime.com/

Location And Distance
https://www.distance.to/

Units Calculator
http://www.onlineconversion.com/

Wolfram Alpha For Computing Answers And Providing Knowledge
https://www.wolframalpha.com/

Integral Calculator
https://www.integral-calculator.com/

Poisson Distribution Calculator
https://stattrek.com/online-calculator/poisson.aspx

Normal Distribution Calculator
https://stattrek.com/online-calculator/normal.aspx
http://davidmlane.com/hyperstat/z_table.html

Cumulative Distribution Function Calculator for Normal Distribution
https://www.danielsoper.com/statcalc/calculator.aspx?id=53

Binomial Probability Calculator
https://stattrek.com/online-calculator/binomial.aspx

Primality Test
https://www.dcode.fr/primality-test

Factorization
https://www.alpertron.com.ar/ECM.HTM

Graphics
https://www.desmos.com/calculator

Geometry Calculator
https://rechneronline.de/pi/icosahedron.php

Character Counter
https://www.lettercount.com/

Cosmical Calculator
http://www.einsteins-theory-of-relativity-4engineers.com/LightCone7Combo/LightCone.html
http://www.einsteins-theory-of-relativity-4engineers.com/cosmocalc_2010.htm

Satellites (incl. next re-entry)
http://www.satview.org/now.php

Escape Velocity
https://keisan.casio.com/exec/system/1360310353

Density At Altitude
https://wahiduddin.net/calc/calc_da.htm

Speed Of Sound
http://www.sengpielaudio.com/calculator-speedsound.htm

Hovercraft Lift
https://hoverhawk.com/lcalc.html
 
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