Desmos: Formula input in Firefox

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Discussion Overview

The discussion revolves around issues with the formula input functionality of Desmos when used in Firefox, particularly on Ubuntu. Participants share their experiences and observations regarding how formulas are rendered differently in various browsers and operating systems.

Discussion Character

  • Technical explanation
  • Debate/contested
  • Exploratory

Main Points Raised

  • One participant reports that typing a formula in Firefox results in incorrect formatting, specifically noting that $\frac{x}{1+x}$ is rendered as $\frac{x}{1}+x$.
  • Another participant claims that in Chrome, the same input yields the expected result, suggesting a browser-specific issue.
  • A participant describes the automatic insertion of closing parentheses in Desmos, which they find problematic when trying to enter nested functions.
  • Some participants mention differences in behavior when entering formulas in different modes (e.g., interactive mode vs. setup screen) within Desmos.
  • One participant asks others using Firefox on different operating systems to confirm whether they experience similar issues.
  • Another participant shares that they do not encounter the same problems and describe their experience as functioning correctly in Firefox.
  • A later reply suggests that the issue may be related to the participant's specific setup or operating system, as they experience strange behavior in other applications as well.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether the issue is widespread or isolated to specific setups. There are competing views on the functionality of Desmos across different browsers and operating systems.

Contextual Notes

Participants mention variations in behavior depending on the mode of input in Desmos and the operating system used, indicating potential limitations in the discussion regarding the generalizability of their experiences.

Evgeny.Makarov
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Is it just me or Desmos ruined its formula input? In the past when I typed [m]x[/m], [m]/[/m], [m]1[/m], [m]+[/m], [m]x[/m] I got $\frac{x}{1+x}$. Now I'm getting $\frac{x}{1}+x$. In fact, I can't figure out how to type $\frac{x}{1+x}$ at all. Even if I have $\frac{1}{1x}$ and the cursor is between 1 and $x$ in the denominator, typing $+$ turns it into $\frac{1}{1x}+$. For another example, after I type [m]cos(sin[/m] I get $\cos(\sin\ )$ and the cursor is immediately after "n" (Desmos automatically inserts closing parenthesis). But when I type [m]([/m] again, I get $\cos(\sin\ )(\ )$. The only way for me to enter formulas seems to be to type them in a text editor and then copy-paste them to Desmos.

I am using Firefox 32 in Ubuntu 14.04. I tried these examples in Chrome 37, and they work fine.
 
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Evgeny.Makarov said:
Is it just me or Desmos ruined its formula input? In the past when I typed [m]x[/m], [m]/[/m], [m]1[/m], [m]+[/m], [m]x[/m] I got $\frac{x}{1+x}$. Now I'm getting $\frac{x}{1}+x$. In fact, I can't figure out how to type $\frac{x}{1+x}$ at all. Even if I have $\frac{1}{1x}$ and the cursor is between 1 and $x$ in the denominator, typing $+$ turns it into $\frac{1}{1x}+$. For another example, after I type [m]cos(sin[/m] I get $\cos(\sin\ )$ and the cursor is immediately after "n" (Desmos automatically inserts closing parenthesis). But when I type [m]([/m] again, I get $\cos(\sin\ )(\ )$. The only way for me to enter formulas seems to be to type them in a text editor and then copy-paste them to Desmos.

I am using Firefox 32 in Ubuntu 14.04. I tried these examples in Chrome 37, and they work fine.

When I type [m]x[/m], [m]/[/m], [m]1[/m], [m]+[/m], [m]x[/m] in both Chrome and Firefox I get $$\frac{x}{1+x}$$. By default once typing in the denominator of the fraction is seems to stay there unless I hit the right-arrow key.

When I type in [m]cos(sin[/m] I immediate see this: $\cos( \sin( \ ))$ and my cursor between the two parentheses after $\sin$, which is logical and convenient. I didn't quite catch what is happening on your computer but I think it's different than this.

I'm using OS X 10.9.4 on a Macbook Pro.
 
Could someone using Firefox in other operating systems, especially Linux, say if they see the behavior I described?
 
Testing...

[desmos="-10,10,-10,10"]x/1+x[/desmos]

I entered the formula as part of selecting Desmos in the quick menu.
I entered a second formula x/1+x (not visible), which behaves differently - as expected.

So entering it in the edit box of setup screen comes out as $\frac x 1 + x$, while entering it in interactive mode comes out as $\frac{x}{1+x}$.

I'm using Firefox 31 on Ubuntu 14.04 here.
 
I like Serena said:
I entered the formula as part of selecting Desmos in the quick menu.
I entered a second formula x/1+x (not visible), which behaves differently - as expected.

So entering it in the edit box of setup screen comes out as $\frac x 1 + 1$, while entering it in interactive mode comes out as $\frac{x}{1+x}$.
Thanks, ILS.

What I meant, in fact, was entering formulas on the Desmos site itself, not on MHB. What I described happens when I go to https://www.desmos.com/calculator and start entering a formula in the top-left corner of the page

View attachment 3454

Could you try this? Are you able to enter $\frac{1}{1+x}$?
 

Attachments

  • desmos.png
    desmos.png
    5.6 KB · Views: 122
Sure.
The result is the same.
1/1+x comes out as $\frac{1}{1+x}$.
I do not get what you show in the screenshot.
 
OK, it may be just my problem. I do get strange behavior in some text boxes in different applications. (Are they a part of GTK? I am using Unity.) For example, in such diverse applications as Evince and Firefox, when I am entering the name of a bookmark, if I press a capital letter, the input terminates as if I pressed the Enter key. Maybe it's related.
 

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