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geekhack Community => Off Topic => Topic started by: tp4tissue on Sun, 02 August 2020, 13:23:38

Title: Math outside Wurk ?
Post by: tp4tissue on Sun, 02 August 2020, 13:23:38

When was the last time ya'll used Math @ home ?

Tp4 making dumpling skins 2day which call for High protein flour (15% protein),

Tp4 only haz wheat gluten powder @ 76.66_% protein,  and regular 10% protein all purpose flour.

Solving the system of equations for 300g of 15% protein flour, 23x/30+3y/30=45 , 7x/30+27y/30=255

We get 22.5g of the wheat gluten + 277.5g of all purpose.  12.33_:1 ratio.


Tp4 uses Trig from high skool quite often in anything involving shapes. Differential EQ a few times calculating tank fill rates,   linear algebra this 1 time trying to make a soy sauce additive.

(https://i.imgur.com/6rl8E4G.gif)

Title: Re: Math outside Wurk ?
Post by: fohat.digs on Sun, 02 August 2020, 14:00:48

Yep, cooking and carpentry work are the first uses that come to mind. Also comparison shopping, eg is TP or tissue more economical?

Title: Re: Math outside Wurk ?
Post by: Olumin on Sun, 02 August 2020, 16:44:52

I refuse to do math

At all times

And you should too

Title: Re: Math outside Wurk ?
Post by: Sintpinty on Sun, 02 August 2020, 17:07:13

I used math at home to figure out what the time was

Title: Re: Math outside Wurk ?
Post by: tp4tissue on Sun, 02 August 2020, 17:55:55

Quote from: Sintpinty on Sun, 02 August 2020, 17:07:13

I used math at home to figure out what the time was

Time Travel, a high difficulty hobby.

Title: Re: Math outside Wurk ?
Post by: suicidal_orange on Mon, 03 August 2020, 11:58:18

Eh... I do some addition to work out how long a bolt needs to be to go through what it needs to, and division as recipes are typically for 4 and I only eat 1.5 portions.   Also I decimalise time strangely often though I can't think of a single reason why now I think about it.

Title: Re: Math outside Wurk ?
Post by: Kavik on Tue, 04 August 2020, 17:34:22

I really hate the imperial system for cooking and wood working because it involves many unnecessary fractions, which necessitates finding common denominators in order for my brain to understand any comparisons. I always use centimeters or millimeters if it's up to me.

In cooking, I have no concept of milliliters, and I'm usually following recipes anyway. But the measurements are annoying and require arithmetic: 3 teaspoons to a tablespoon, 16 tablespoons to a cup, and 16 cups to a gallon.

If I have to use any real math in real life, I am screwed.

Title: Re: Math outside Wurk ?
Post by: fohat.digs on Tue, 04 August 2020, 18:48:29

Quote from: Kavik on Tue, 04 August 2020, 17:34:22

In cooking, I have no concept of milliliters, and I'm usually following recipes anyway. But the measurements are annoying and require arithmetic: 3 teaspoons to a tablespoon, 16 tablespoons to a cup, and 16 cups to a gallon.

This is one of the rare instances where it is easy. A teaspoon is 5ml and a tablespoon is 15ml.

If you aren't being too fastidious, a quart is a liter, a pint is a half liter, and a gallon is 4 liters.

PS - if you are buying liquor, a fifth is 750ml