Windows 10 calculator. 2+5*7=49

REALITY · November 27, 2020, 12:04pm

Windows 10 calculator.
2+5*7=49
Incredibly dangerous, I'm flabbergasted. @Windows please do something! pic.twitter.com/S53XOkBiyx
— Sébastien Guilloux (@_sebgl) November 27, 2020

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marksyzm · November 27, 2020, 12:17pm

Oh god what a fucking idiot…

marksyzm · November 27, 2020, 12:21pm

Surely trolling, right?

marksyzm · November 27, 2020, 12:22pm

github.com/microsoft/calculator

"Standard" calculator does not take into account order of operations

opened 09:35AM - 07 May 20 UTC

closed 09:49AM - 07 May 20 UTC

jarmo

won't fix

When using "Standard" calculator, then order of operations is not taken into acc…ount and calculation value is wrong. For example: ``` 8 + 6 * 2 = 28 ``` Correct answer should be: ``` 8 + 6 * 2 = 20 ``` When using "Scientific" calculator then same calculation is shown in the UI, but calculation is done correctly (e.g. value 20 is shown). If it is intentionally done so that "Standard" is like a "stupid" version of calculator, which performs calculations immediately when entering values, then calculation should be shown as two different operations - first "8 + 6 = 14" and then "14 * 2 = 28". **Steps To Reproduce** 1. Open Calculator 2. Enter number "8". 3. Enter "+". 4. Enter "6". 5. Enter "*". 6. Enter "2". 7. Press "Enter" to see the calculation value. 8. Value of "28" is shown, which is mathematically incorrect. **Expected behavior** Should show a calculation value of "20", which is mathematically correct. **Screenshots** "Standard": ![image](https://user-images.githubusercontent.com/174160/81278664-a652ef00-905e-11ea-922c-2d2b47d053d5.png) "Scientific": ![image](https://user-images.githubusercontent.com/174160/81278707-b23eb100-905e-11ea-9d93-549c6965ce62.png) **Device and Application Information** - OS Build: 10 0 18363 0 - Architecture: x64 - Application Version: 10.1910.0.0 - Region: et-EE - Dev Version Installed: False **Additional context** Same problem applies when pasting in the equation as a whole (e.g. "8+6*2"). **Requested Assignment** I'm just reporting this problem.

REALITY · November 27, 2020, 12:28pm

Meanwhile in Linux

REALITY · November 27, 2020, 1:03pm

(took me a while to find a windows machine lol)

marksyzm · November 27, 2020, 1:58pm

OMG yes that’s wrong! It shouldn’t show that in the header

marksyzm · November 27, 2020, 2:01pm

Yeah if it’s collecting a sequence of numbers in a calculation view then it should perform that equation. They should simply show the sum of previous calculations in the first view i.e.
7 x 7 = 49

mynameis · November 27, 2020, 2:46pm

To be fair they should both insert brackets for clarity. (2+5)x7= and 2+(5x7)=.

marksyzm · November 27, 2020, 2:52pm

Less so for the linux version than windows, but I agree