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

Mentor
I've gone through my bookmarks and found some interesting aka helpful online tools.

Last Update 09/07/20.

Time

https://greenwichmeantime.com/

Location And Distance
https://www.distance.to/
http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html (Solar System)

Continental Drift
https://dinosaurpictures.org/ancient-earth#220

Units Calculator
http://www.onlineconversion.com/
https://unitconverter.net/

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

Formula Calculator With Assisted Input (Mathway / Symbolab)
https://www.mathway.com/Algebra
https://www.symbolab.com/solver

Various Universal Calculators
https://abakbot.com/
https://www.fxsolver.com/solve/

Random Numbers Generator
https://www.random.org/

RSA Calculator
https://www.cs.drexel.edu/~jpopyack/IntroCS/HW/RSAWorksheet.html
https://www.cs.drexel.edu/~jpopyack...yptography/RSA_Express_EncryptDecrypt_v2.html

SIR Calculator
http://www.public.asu.edu/~hnesse/classes/sir.html

Derivative Calculator
https://www.derivative-calculator.net/

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

Euler Method Calculator y'=f(x,y)
https://planetcalc.com/8389/
https://keisan.casio.com/exec/system/1392171850

Matrix Calculator
https://www.symbolab.com/solver/matrix-calculator
https://www.emathhelp.net/calculators/linear-algebra/gram-schmidt-calculator/

Extended Euclidean Algorithm (Bézout's Lemma)
https://www.extendedeuclideanalgorithm.com/calculator.php
https://www.arndt-bruenner.de/mathe/scripts/erweitertereuklid.htm

All Around Simple Lie Algebras
http://wwwmathlabo.univ-poitiers.fr/~maavl/LiE/form.html

Encryption
https://cryptii.com/pipes/caesar-cipher

Confidence Interval Calculator
http://statpages.info/confint.html

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

Number Base Converter
https://www.rapidtables.com/convert/number/base-converter.html

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

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

Visualization of Complex Functions
https://complex-analysis.com/content/analytic_landscapes.html

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

Image Resizer
https://picresize.com/

GIF Maker
https://ezgif.com/

Circuit Simulator

NASA Data of Solar System
https://ssd.jpl.nasa.gov/?site_map

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

http://hyperphysics.phy-astr.gsu.edu/hbase/Relativ/einvel2.html

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

Orbital Velocity Calculator
https://www.omnicalculator.com/physics/orbital-velocity

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

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

http://www.spectralcalc.com/blackbody_calculator/blackbody.php

Color Calculator
https://rechneronline.de/spectrum/

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

Chemical Elements
https://www.nndc.bnl.gov/nudat2/

Lift to Drag Ratio in Aerodynamics
https://www.fxsolver.com/solve/

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

Last edited:
• • DifferentialGalois, Janosh89, Motore and 12 others