To clarify order of operations... a common mistake made...

1 parentheses
2 exponents
3 mult/div left to right
4 add/subt left to right

PEMDAS is nice to help remember this (please excuse my dear aunt sally) but people often want to do mult THEN div but that isnt correct.

CH

In response to this post by astrohokie

Posted: 03/29/2020 at 06:47AM

Math question.... -- astrohokie 03/28/2020 11:13PM

The google is your friend! -- UTPr0sim 03/29/2020 09:22AM

I called Aunt Sally. She said 15 ** -- MAHokie69 03/29/2020 09:09AM

To clarify order of operations... a common mistake made... -- Curious Hokie 03/29/2020 06:47AM

So you're saying Physical Education (PE) comes before everything. ** -- EDGEMAN 03/29/2020 09:10AM

15....order of operation rule says X before + ** -- MrBayAreaHokie 03/29/2020 12:46AM

11teen. ** -- bourbonstreet 03/29/2020 12:24AM

I had eleventy teen ** -- PhotoHokieNC 03/29/2020 07:08AM

Eleventy billion ** -- FlintMS 03/29/2020 08:17AM

I disagree -- VTCC 65 03/28/2020 11:58PM

OK, 15...I say "UNCLE" and concede to jamanaVT & astro -- VTCC 65 03/29/2020 1:39PM

Unless that 65 is 1665, I don't think you have a case -- jmanatVT 03/29/2020 07:10AM

Rules are rules (PEMDAS) 🤗 ** -- astrohokie 03/29/2020 12:12AM

And are enforced in computer programming languages ** -- `lag 03/29/2020 12:18AM

"I'm sorry, Dave. I'm afraid I can't do that." ** -- KCHokie2 03/29/2020 12:28AM

15. I'm an engineer. Trust me. ** -- ElbertoHokie 03/28/2020 11:58PM

15. At least that's what I taught my 5th graders. That said, I teach 2nd -- HokieGator 03/28/2020 11:40PM

220/221...whatever it takes ** -- thankbud 03/28/2020 11:39PM

PEMDAS parens exponents multiplication division add subtracr -- Hokerer 03/28/2020 11:34PM

Please Excuse My Dear Aunt Sally (I think that was the memory trick) ** -- Tuckahokie 03/29/2020 08:42AM

When I went to school, we didn't have memory tricks... -- `lag 03/29/2020 10:21AM

15. X first, then +. ** -- Fatman 03/28/2020 11:34PM

15 ** -- Major Kong 03/28/2020 11:25PM

15 ** -- B777Fr8Dog 03/28/2020 11:16PM

So multiplication has presidense over addition indeed? ** -- astrohokie 03/28/2020 11:21PM

Yep ** -- B777Fr8Dog 03/28/2020 11:43PM

What I was taught: multiply and divide over add and subtract -- `lag 03/28/2020 11:25PM

Yup, i looked it up ** -- astrohokie 03/28/2020 11:29PM

PEMDAS ** -- LonghornHokie 03/28/2020 11:24PM

To clarify order of operations... a common mistake made...

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