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42 is the answer

By Mostowski Collapse on Mon Sep 19 23:51:15 2022

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Re: 4D Klein bottle with 4-complex number

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Re: [fricas-devel] bug?: difficulty to extract imaginary part

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FYI, Summer 2024 edition of independent CAS integration tests is comple

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Latest reply by nobody@nowhere.invalid on Sun Apr 21 20:41:39 2024
what is the correct anti-derivative for 2*cot(2*x) ?

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FriCAS 1.3.10 on some algebraic integrands

By nobody@nowhere.invalid on Fri Feb 9 18:23:54 2024

Latest reply by nobody@nowhere.invalid on Sat Mar 16 07:19:46 2024
FYI, new ODE test report. Maple 2023.2.1 and Matematica V 14

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neuro-symbolic AlphaGeometry tackles olympiad geometry

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radicalSolve() in FriCAS is pathetic

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adding timelimit to CAS calls to integrate when CAS does not support bu

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Re: An interesting rational integral in Mathematica

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Re: A rational integral and Rioboo's algorithm

By nobody@nowhere.invalid on Tue Jan 2 21:32:27 2024

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fyi,CAS integration test using Reduce CAS

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CAS that can show me a trend [ODE Solutions]

By Mild Shock on Fri Oct 20 22:56:12 2023

Latest reply by Dr Huang (DrHuang.com) on Sat Nov 25 19:28:29 2023
Estimating the time required to compute an integral using Trager's algo

By Sam Blake on Mon Nov 13 15:49:19 2023

Latest reply by nobody@nowhere.invalid on Thu Nov 16 07:41:41 2023
What are the prime factors of 0, really?

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A rational integral in Rubi

By Sam Blake on Tue Oct 10 21:06:00 2023

Latest reply by nobody@nowhere.invalid on Thu Oct 12 11:38:59 2023
why this difference in simplification behavior between Mathematica and

By Nasser M. Abbasi on Tue Oct 10 23:15:43 2023

Latest reply by Nasser M. Abbasi on Wed Oct 11 13:21:24 2023
Fyi, new version of the independent CAS tests for differential equation

By Nasser M. Abbasi on Fri Oct 6 02:06:27 2023

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CAS Tests for Differential Equations

By Dr Huang (DrHuang.com) on Sun Oct 8 05:30:38 2023

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what is solution of exp(x)*sin(y)+tan(y)+(exp(x)*cos(y)+x*(sec(y)^2))*y

By Dr Huang (DrHuang.com) on Wed Oct 4 05:46:18 2023

Latest reply by Dr Huang (DrHuang.com) on Thu Oct 5 20:25:06 2023
Lambert function

By Legatus on Tue Oct 3 01:45:58 2023

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By bassam karzeddin on Sun Sep 10 14:14:18 2023

Latest reply by bassam karzeddin on Mon Oct 2 23:38:14 2023
what is solution of y''+sqrt(y)+x=0

By Dr Huang (DrHuang.com) on Mon Oct 2 16:41:34 2023

Latest reply by Dr Huang (DrHuang.com) on Mon Oct 2 16:41:34 2023
Reference request: APPLICATIONS of computer algebra

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fyi. independent CAS integration tests, summer 2023 edition now online

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Re: Can you truly guess?

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[fricas-devel] New wiki site

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By nobody@nowhere.invalid on Tue Sep 5 06:38:36 2023

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[fricas-devel] Denesting roots

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[fricas-devel] Integrals and sums with infinite limits

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FriCAS update

By nobody@nowhere.invalid on Sun Jul 9 10:25:48 2023

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fyi, MIT Integration Bee problems added to CAS integration tests

By Nasser M. Abbasi on Fri Mar 3 12:57:08 2023

Latest reply by Nasser M. Abbasi on Sun Jun 25 13:59:10 2023
FYI, new file added to CAS intergation tests. File #212, Table of integ

By Nasser M. Abbasi on Mon May 1 12:38:46 2023

Latest reply by Nasser M. Abbasi on Mon May 1 12:38:46 2023
A challenging nested radical integral

By Sam Blake on Wed Feb 22 17:57:46 2023

Latest reply by antispam@math.uni.wroc.pl on Fri Apr 28 10:17:50 2023
integrals involving floor(x)

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By Sam Blake on Mon Feb 6 16:53:26 2023

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Re: Risch integrator troubles

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FriCAS error - Denominator not equal to 1

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FYI, CAS independent integration tests, summer 2022 edition online

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Are there possible breakthroughs that will make all current CAS so obso

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Latest reply by antispam@math.uni.wroc.pl on Thu Sep 22 11:56:49 2022
FYI, new SQLlite interface to the Independent CAS integration tests ava

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Latest reply by Nasser M. Abbasi on Thu Sep 22 07:28:25 2022
Is lisp still slow for numerical/linear algebra?

By Nasser M. Abbasi on Sun Sep 18 22:56:57 2022

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Symbolic-Numeric Integration

By Peter Luschny on Mon Feb 7 04:04:26 2022

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how to check solution?

By Dr Huang on Thu Jun 23 22:32:43 2022

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Re: solution of x* y'+y=2* (x* y)^0.5 ?

By Nasser M. Abbasi on Sat Jul 9 02:04:12 2022

Latest reply by nobody@nowhere.invalid on Sun Jul 10 19:28:29 2022
how to solve high order partial differential equation with WolframAlpha

By Dr Huang on Thu Jun 30 18:00:21 2022

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Re: alarum: Risch integrator fails to divide by zero

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Announce: FriCAS 1.3.8 has been released

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By nobody@nowhere.invalid on Thu Sep 10 19:23:03 2020

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Re: what are these HUGE integers that giac generates for some integrals

By Nasser M. Abbasi on Wed Jun 15 23:29:44 2022

Latest reply by Nasser M. Abbasi on Wed Jun 15 23:29:44 2022
what are these HUGE integers that giac generates for some integrals?

By Nasser M. Abbasi on Wed Jun 15 23:21:17 2022

Latest reply by Nasser M. Abbasi on Wed Jun 15 23:21:17 2022
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By olcott on Tue May 31 18:08:06 2022

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is this the correct antiderivative by Maple?

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Latest reply by Dr Huang on Thu Mar 10 16:19:36 2022
what is solution of y''* y'-y(x)^n=0 ?

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Latest reply by Dr Huang on Thu Mar 10 16:06:27 2022
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fyi, sympy integrator now default for sagemath?

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Latest reply by Nasser M. Abbasi on Fri Feb 4 02:42:46 2022
FriCAS result on an algebraic integral

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Latest reply by antispam@math.uni.wroc.pl on Sun Jan 30 13:45:09 2022
Yet another integration test

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Latest reply by Richard Fateman on Sun Dec 19 12:01:24 2021
small note on Using SQLlite database to store Maple code and result.

By Nasser M. Abbasi on Fri Dec 17 10:13:13 2021

Latest reply by Nasser M. Abbasi on Fri Dec 17 10:13:13 2021
what is solution of y''=exp(y)/x^2

By Dr Huang on Thu Dec 9 15:28:49 2021

Latest reply by Dr Huang on Thu Dec 9 15:28:49 2021
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Latest reply by Dr Huang on Fri Nov 5 20:39:02 2021
is something subtle about proofing that SQRT(5) < (SQRT(5)+1) ?

By Nasser M. Abbasi on Sat Oct 30 02:03:28 2021

Latest reply by acer on Sat Oct 30 08:53:49 2021
Integral Table http://drhuang.com/science/mathematics/handbook/integral

By Dr Huang on Sun Oct 24 21:04:40 2021

Latest reply by Dr Huang on Sun Oct 24 21:04:40 2021
fyi, a new CAS integration file added. IntegrateAlgebraic

By Nasser M. Abbasi on Thu Aug 26 04:24:20 2021

Latest reply by nobody@nowhere.invalid on Sat Oct 23 19:37:55 2021
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By Dr Huang on Fri Oct 22 18:43:41 2021

Latest reply by Dr Huang on Fri Oct 22 18:43:41 2021
fyi, updated to George Moseley Murphy ODE test suite using Maple 2021.1

By Nasser M. Abbasi on Sat Sep 25 15:54:35 2021

Latest reply by Nasser M. Abbasi on Sat Sep 25 15:54:35 2021
An integral for the Bernoulli function.

By Peter Luschny on Sun Aug 22 04:39:07 2021

Latest reply by Dr Huang on Sat Sep 11 20:16:31 2021
update: Examples of Fractional Calculus Computer Algebra System http://

By Dr Huang on Wed Sep 8 21:40:38 2021

Latest reply by Dr Huang on Wed Sep 8 21:40:38 2021
updated: math animation with online software MathHand.com 4 pages h

By Dr Huang on Sun Sep 5 20:13:05 2021

Latest reply by Dr Huang on Sun Sep 5 20:13:05 2021
fyi, Elementary algebraic integrals added to CAS integration tests

By Nasser M. Abbasi on Mon Aug 30 23:15:01 2021

Latest reply by Nasser M. Abbasi on Mon Aug 30 23:15:01 2021
what is solution of fractional PDE d^0.5y/dt^0.5=d^0.5y/dx^0.5+y^2 Math

By Dr Huang on Sun Aug 15 19:10:00 2021

Latest reply by Dr Huang on Sun Aug 15 19:10:00 2021
what is solution of PDE d^2y/dt^2=dy/dx+y^2

By Dr Huang on Fri Aug 13 17:35:53 2021

Latest reply by Dr Huang on Fri Aug 13 17:35:53 2021
nonlinear fractional partial differential equation solved by mathHand.c

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Latest reply by Dr Huang on Tue Aug 3 18:03:03 2021
what is solution of partial differential equation? y(t, x)^2* y^(0, 1)(

By Dr Huang on Thu Jul 29 18:10:22 2021

Latest reply by Dr Huang on Thu Jul 29 18:10:22 2021
Fyi, new independent CAS integration test suite build is online

By Nasser M. Abbasi on Fri Jun 4 00:00:28 2021

Latest reply by Nasser M. Abbasi on Wed Jul 28 12:16:02 2021
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Latest reply by Dr Huang on Wed Jul 21 00:57:41 2021
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Latest reply by David Hilvert on Sun Jul 18 18:26:17 2021
Examples of Fractional Calculus Computer Algebra System http://drhuang.

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Latest reply by Dr Huang on Sun Jul 11 19:01:28 2021
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By Mostowski Collapse on Fri Jun 18 06:20:30 2021

Latest reply by Mostowski Collapse on Fri Jul 2 04:32:06 2021
Annoucemnt: FriCAS 1.3.7 is released

By antispam@math.uni.wroc.pl on Wed Jun 30 15:17:39 2021

Latest reply by antispam@math.uni.wroc.pl on Wed Jun 30 15:17:39 2021
Is wolfram alpha commercial as it limits computing time to push for pay

By drhuang57@gmail.com on Tue Jun 15 17:20:38 2021

Latest reply by Mostowski Collapse on Fri Jun 18 15:02:51 2021
wolfram gives very long solution for y'=2y/(y^2+x) how to check solutio

By drhuang57@gmail.com on Thu Jun 3 04:29:12 2021

Latest reply by drhuang57@gmail.com on Thu Jun 3 04:29:12 2021
how to check solution of differential equation in wolfram alpha? use te

By drhuang57@gmail.com on Mon May 31 22:17:37 2021

Latest reply by drhuang57@gmail.com on Mon May 31 22:17:37 2021
y' y''-x^2-1=0

By drhuang57@gmail.com on Mon May 31 21:17:53 2021

Latest reply by drhuang57@gmail.com on Mon May 31 21:17:53 2021
fractional_calculus

By drhuang57@gmail.com on Mon May 31 20:01:20 2021

Latest reply by drhuang57@gmail.com on Mon May 31 20:01:20 2021
mathHand.com updated

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Latest reply by drhuang57@gmail.com on Sun May 23 05:25:17 2021
Analytical Solution of Fractional Differential Equation by MathHand.com

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Latest reply by drhuang57@gmail.com on Mon May 17 04:08:27 2021
Using neural networks to solve advanced mathematics equations

By Dr Huang on Mon Aug 17 13:24:15 2020

Latest reply by drhuang57@gmail.com on Mon May 17 03:26:51 2021
Strange result by FriCAS on this integral.

By Nasser M. Abbasi on Fri May 14 01:56:22 2021

Latest reply by antispam@math.uni.wroc.pl on Sat May 15 13:13:08 2021
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By Albert Rich on Thu Mar 18 01:42:16 2021

Latest reply by Albert Rich on Fri May 14 18:22:09 2021
what is solution of y'-y^2-x-x^2=0 it seems wolfram solution is wrong?

By drhuang57@gmail.com on Tue Feb 2 16:50:46 2021

Latest reply by Jens Kallup on Fri May 14 11:18:44 2021
what is solution of y''-y' y-2x=0 and how to test it by online software

By drhuang57@gmail.com on Wed Jan 27 15:05:26 2021

Latest reply by drhuang57@gmail.com on Fri May 7 15:40:07 2021
why wolfram cannot find simple solution?

By Nasser M. Abbasi on Thu Dec 10 20:54:59 2020

Latest reply by drhuang57@gmail.com on Fri May 7 05:41:38 2021
300 wolfram bugs in http://DrHuang.com/index/bugs

By drhuang57@gmail.com on Fri May 7 00:05:01 2021

Latest reply by drhuang57@gmail.com on Fri May 7 00:05:01 2021
Reinforcement learning to find non-trivial counterexamples

By Peter Luschny on Sun May 2 07:11:04 2021

Latest reply by Peter Luschny on Sun May 2 07:11:04 2021
how to input double integral equation into wolframAlpha?

By drhuang57@gmail.com on Tue Apr 27 17:37:38 2021

Latest reply by drhuang57@gmail.com on Wed Apr 28 01:54:15 2021
Neural nets solve hardest equations?

By nobody@nowhere.invalid on Tue Apr 20 17:27:05 2021

Latest reply by drhuang57@gmail.com on Tue Apr 27 17:49:33 2021
130 bugs in wolfram http://drhuang.com/index/bugs

By drhuang57@gmail.com on Sat Apr 24 18:01:23 2021

Latest reply by drhuang57@gmail.com on Sat Apr 24 18:01:23 2021
wolfram bugs

By drhuang57@gmail.com on Sat Apr 17 16:08:42 2021

Latest reply by drhuang57@gmail.com on Sat Apr 17 16:08:42 2021
A UTM halt decider a pure function of its inputs

By Richard Fateman on Tue Mar 16 14:26:12 2021

Latest reply by olcott on Mon Mar 22 21:44:03 2021
Julia is the future of RUBI !

By Peter Luschny on Mon Mar 1 14:57:21 2021

Latest reply by nobody@nowhere.invalid on Tue Mar 16 19:03:27 2021
Eliminating decision problem undecidability

By Richard Fateman on Mon Mar 15 14:24:39 2021

Latest reply by Richard Fateman on Mon Mar 15 14:24:39 2021
what is integral of x^x = ?

By drhuang57@gmail.com on Sat Feb 20 16:51:50 2021

Latest reply by Richard Fateman on Sun Feb 21 10:54:50 2021
what is solution of y'-y^2-x^2-1=0 ? it seems wolfram solution is wrong

By drhuang57@gmail.com on Thu Feb 4 15:56:07 2021

Latest reply by Nasser M. Abbasi on Thu Feb 4 18:25:12 2021
what is solution of y'''-4 y' -2 y' y =0 ?

By drhuang57@gmail.com on Sat Jan 30 04:42:44 2021

Latest reply by drhuang57@gmail.com on Sat Jan 30 04:42:44 2021
square roots algo

By jacob navia on Mon Jan 11 15:41:16 2021

Latest reply by antispam@math.uni.wroc.pl on Thu Jan 28 01:33:12 2021
what is solution of exp(2x) y''-y' y=0?

By drhuang57@gmail.com on Tue Jan 26 20:22:49 2021

Latest reply by drhuang57@gmail.com on Tue Jan 26 20:22:49 2021
math page updated

By drhuang57@gmail.com on Sun Jan 24 21:31:00 2021

Latest reply by drhuang57@gmail.com on Sun Jan 24 21:31:00 2021
wolfram gives wrong solutions

By drhuang57@gmail.com on Fri Jan 15 17:12:57 2021

Latest reply by drhuang57@gmail.com on Sat Jan 16 17:51:45 2021
solving sqrt(y)=x for

By Nasser M. Abbasi on Mon Jan 11 17:33:05 2021

Latest reply by Richard Fateman on Sat Jan 16 13:04:43 2021
why wolfram cannot find SIMPLE solution of over 50 differential equatio

By drhuang57@gmail.com on Thu Jan 14 00:24:29 2021

Latest reply by drhuang57@gmail.com on Thu Jan 14 00:24:29 2021
Can't login to sagemath any more using my google account

By Nasser M. Abbasi on Tue Dec 29 07:09:10 2020

Latest reply by Dima Pasechnik on Mon Jan 11 02:15:44 2021
I need help with a couple of projects in Wolfram Mathematica, please...

By Sarn Ursell on Sun Jan 10 23:38:53 2021

Latest reply by Sarn Ursell on Sun Jan 10 23:38:53 2021
updated examples in mathHand.com

By drhuang57@gmail.com on Mon Dec 28 17:57:34 2020

Latest reply by drhuang57@gmail.com on Mon Dec 28 17:57:34 2020
fyi, Rubi in Sympy added to CAS independent integration tests. Init

By nma%12000.org@gtempaccount.com on Wed Dec 23 17:58:15 2020

Latest reply by nma%12000.org@gtempaccount.com on Wed Dec 23 17:58:15 2020
fyi, couple of report updates

By Nasser M. Abbasi on Wed Dec 23 13:23:11 2020

Latest reply by Nasser M. Abbasi on Wed Dec 23 13:23:11 2020
time for a sneak preview

By nobody@nowhere.invalid on Sun Nov 22 21:50:28 2020

Latest reply by antispam@math.uni.wroc.pl on Thu Nov 26 00:01:12 2020
Maple and Mathematica

By nobody@nowhere.invalid on Sat Nov 14 18:26:44 2020

Latest reply by Nasser M. Abbasi on Sun Nov 15 00:19:53 2020
mathHand.com solves fractional partial differential equation

By drhuang57@gmail.com on Wed Sep 16 20:54:14 2020

Latest reply by drhuang57@gmail.com on Wed Sep 16 20:54:14 2020
compute fractional calculus in URL

By drhuang57@gmail.com on Mon Sep 7 15:44:42 2020

Latest reply by drhuang57@gmail.com on Mon Sep 7 15:44:42 2020
math graph becomes animation by one click

By Dr Huang on Sun Aug 16 18:41:04 2020

Latest reply by Dr Huang on Sun Aug 16 18:41:04 2020
fyi: update to Partial differential equations tests. Maple 2020 and Mat

By Dr Huang on Sat Aug 15 06:01:01 2020

Latest reply by Dr Huang on Sat Aug 15 06:01:01 2020
=?UTF-8?B?eeKAmT00c2luKHkteCktNA==?=

By Dr Huang on Fri Aug 14 18:15:19 2020

Latest reply by Dr Huang on Fri Aug 14 19:11:29 2020
=?UTF-8?B?eeKAmT1zaW4oeS14KQ==?=

By Dr Huang on Fri Aug 14 17:21:15 2020

Latest reply by Dr Huang on Fri Aug 14 17:41:48 2020
fractional differential equation

By Dr Huang on Fri Jul 31 02:38:18 2020

Latest reply by Dr Huang on Mon Aug 10 17:22:48 2020
why does wolfram give complicated solution

By Dr Huang on Sun Aug 9 16:34:12 2020

Latest reply by Dr Huang on Sun Aug 9 16:34:12 2020
An algebraic integral in FriCAS

By samuel.thomas.blake@gmail.com on Sat Aug 1 01:35:23 2020

Latest reply by nobody@nowhere.invalid on Sun Aug 2 18:30:46 2020
unexpected uses of the Gaussian integral

By Dr Huang on Sat Jul 11 01:43:26 2020

Latest reply by Dr Huang on Sat Jul 11 01:43:26 2020
What happened to Wolfram-Alpha

By bassam karzeddin on Fri Jul 10 23:21:52 2020

Latest reply by bassam karzeddin on Fri Jul 10 23:21:52 2020
simple yet difficult problem

By bassam karzeddin on Sat Jul 4 10:53:16 2020

Latest reply by bassam karzeddin on Sat Jul 4 10:53:16 2020
QUINTIC BY RADICALS

By bassam karzeddin on Thu Jul 2 09:09:39 2020

Latest reply by bassam karzeddin on Thu Jul 2 08:53:56 2020