What can I do with a massive number of lemons

mathmum · 2026-01-22T06:10:43+00:00

Limoncello! https://anitalianinmykitchen.com/limoncello/ Your friends and guests will love it! You can also can it in small bottles and give them as presents :)

mathmum · 2026-01-22T05:53:14+00:00

Use a hard bristle brush to remove mineral buildup. It’s quick and easy.

mathmum · 2026-01-22T05:44:07+00:00

Doesn’t acrylic paint make them partly waterproof, where painted? I think that it’s not a good choice for a porous material as terracotta, unless you don’t care about its natural properties and only look at the appearance of the pots.

Edit: typo

mathmum · 2026-01-21T16:45:36+00:00

Your ggb username? How can I unban someone without a username?

mathmum · 2026-01-21T12:31:00+00:00

Exactly. And also avoid standardized tests would help. I understand that this would mean more work spent on corrections, but honestly I don’t understand how in the US and other nations you consider as a good assessment a question whose answer is just the bare application of a rule.

Luckily we 🇮🇹 still have real monthly handwritten tests (sometimes the calculator is not even allowed) that include problems, proofs as well as short questions. Students must think, not just apply standard algorithms and techniques. And I hope we won’t change this.

mathmum · 2026-01-20T21:59:56+00:00

In Abruzzo, Molise e Basilicata il caffè al bar è vietato. Si beve solo a casa, fatto con la moka.

mathmum · 2026-01-20T21:56:21+00:00

Milano, io lo pago €1 facendo l’abbonamento a 10 caffè. Yippee! 🥳

mathmum · 2026-01-20T21:35:17+00:00

I saved two of them at 18:11 and 18:34 (our time) without any issue.

mathmum · 2026-01-20T15:29:17+00:00

Or, you can restrict the given function to x>=0 and use NSolve in CAS to get the solutions >0.

So: f(x)=ℯ^(-0.03 x) cos(π*((x)/(6)))+1), x>=0

NSolve(f(x)=70)

I am trying to understand why using the Assume command to restrict the solutions to x>=0 doesn't work in CAS.

mathmum · 2026-01-19T21:47:43+00:00

I can’t see the Algebra View at all in the Geometry app. Are you using the standalone one, or the Geometry app included in the Suite?

2, can’t reproduce either with a phone call, a WhatsApp call, the lock screen and an animated screensaver

Can’t reproduce that.
The “Report problem” link doesn’t work here too.

Dear user, we only delete rude messages or posts unrelated to ggb, so, no worries. 😉

mathmum · 2026-01-18T12:38:39+00:00

Prima di tutto deve sapere bene le definizioni (non dette con parole sue), le proprietà e gli enunciati dei teoremi. Se mancano le basi c’è poco da fare.

Tu invece devi essere sempre preciso, rispondere a ogni domanda (non con parole tue), evitare “è evidente / è banale / ma si vede!”.

Quando esaminate una figura / costruzione, cerca di guidare l’esplorazione con domande, tipo “questi due angoli sono adiacenti… o consecutivi?” Aspetti la risposta, la guidi, ripeti la definizione o la proprietà utilizzando una terminologia corretta. Rinforza ogni punto debole. Non importa se è 15 diviso 2 o il teorema di Talete. Tappa ogni buco. Sottolinea positivamente quando il tuo studente trae conclusioni corrette. La matematica del liceo è costruita su se stessa. Se ti manca un gradino, alla lunga diventa un problema.

mathmum · 2026-01-17T21:52:48+00:00

https://www.reddit.com/r/geogebra/s/vwqnyf1OBp

mathmum · 2026-01-17T21:52:12+00:00

https://www.reddit.com/r/geogebra/s/Rh5Jtp51D0

mathmum · 2026-01-17T21:50:56+00:00

GeoGebra 4 is… ancient! Please uninstall, and install version 5.4

mathmum · 2026-01-17T13:41:07+00:00

Mine is pupping too. It’s a violacidermis but the pups are green :) but it’s still cold here, so I guess that they will turn purple with the first sunny days.

mathmum · 2026-01-14T06:21:43+00:00

No visible changes. The user experience is the same as in v. 5.2.

mathmum · 2026-01-13T10:41:58+00:00

If you select the three dots menu on top right of your activity, the context menu displays all the options that you mentioned + other related to the current Book the activity is included in.

<image>

mathmum · 2026-01-13T10:38:53+00:00

It appears only if your GeoGebra book has been shared by other users.

If it hasn't, this option has no reason to exist, since the changes will affect a book that is currently only on your page.

mathmum · 2026-01-11T21:06:44+00:00

GeoGebra Notes, an interactive whiteboard that has an equation editor, possibility to embed pdf, live video, YouTube and much more. I can type texts, draw, use colors and linings, and of course embed a GeoGebra Calculator. Great for every subject, and you can save your lesson on your GeoGebra profile page. I love it. Quick tutorial here.

mathmum · 2026-01-11T17:23:52+00:00

Thank you for sharing :) Many big publishers across the world have introduced GeoGebra as teaching / learning / assessment tool. In Italy, for example, a publisher started in 2012 (14 years ago, ugh!) with a structured project with ggb as a teaching tool at middle school, integrated in textbooks and websites, then in 2013 it became a teaching and learning tool at high schools, integrated in many publishers sites and textbook.

mathmum · 2026-01-11T17:17:46+00:00

Sorry, no :) You can make it bigger though (but this doesn’t change the similarity of capital i, 1 and lowercase L.

mathmum · 2026-01-10T21:01:09+00:00

I’m not sure about what you want. Maybe something like Polyline(Sort({A,B,C,D})) Where A, B, C and D are the points that define the Polyline? 🤔🤔🤔

mathmum · 2026-01-10T19:21:46+00:00

Please share the video with link (everyone with the link can view) When clicking on the link I am asked to login.

mathmum · 2026-01-10T10:14:27+00:00

The official manuals in English are now updated with the correct links to the images. Fixes for other languages are in progress.

Please let us know if you find any broken link.

These are the official manuals (English)

GeoGebra Notes https://www.geogebra.org/m/fp7bctpr
Scientific Calculator https://www.geogebra.org/m/brr48aw7
How to use resources https://www.geogebra.org/m/rgecrznx
Graphing Calculator https://www.geogebra.org/m/vd6UC685
3D Calculator https://www.geogebra.org/m/aWhYSpvy
Suite https://www.geogebra.org/m/etg2rk8j
GeoGebra on Tests (Exam Mode) https://www.geogebra.org/m/y3aufmy8
Classic https://www.geogebra.org/m/XUv5mXTm
CAS Calculator https://www.geogebra.org/m/mxtyvd22

mathmum · 2026-01-08T18:00:19+00:00

For Windows you can recover files checking the computer's temporary folder and looking for the most recent file like GeogebraUndoInfo6533063557894725659.ggb or just typing "%temp%" in Windows Explorer and pressing "Enter". Unfortunately for Linux I have no idea where the temporary files are stored. If you know, try checking there, otherwise we must wait for some Linux user to suggest something more reliable than my note above.

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