I have a comment:
Nevada and Las Vegas will be the last to return to normal after the pandemic. Also, I am not staying at any casinos that charges resort fees the next time I am going to Las Vegas and going forward. I think it is possible to not pay one penny of resort. There are hotels like the Holiday Inns that do not charge resort fees.
None of the standard pronouns has an apostrophe in its possessive:
I - my
you - your
he - his
she - her
it - its
we - our
they - their
Is it possible to include a quiz on apostrophe usage in the registration process for an online forum?
We could also phase in such a test for getting a bank account or a phone, and on the standard I-9 Employment Eligibility Verification form.
Lol! I have taken courses in Multi-variable Calculus and Differential Equations, and I was completely surprised that a lot of professors with PhDs does not know how to do mental math. They must write out 18^2 as 18 x 18 to solve it. I was like what?? They are experts in Multi-variable Calculus and Differential Equations but cannot do simple arithmetic?
Last edited by seriousplayer; 12-30-2020 at 04:51 PM.
There are numerous ways to calculate 18^2. A math PhD should know by heart that the result is 324, because he must have solved many quadratic equations of the form ax^2 + bx + c = 0 during his career, the solution formula containing b^2 - 4ac, so you must square the coefficient b, which in exercises mostly is an integer number. This way I memorized many square numbers. Using binomic formulae is another suitable method in this case, e.g.
(a - b)^2 = a^2 - 2ab +b^2
thus
18^2 = (20 - 2)^2 = 400 - 80 + 4= 324.
Last edited by PinkChip; 12-30-2020 at 05:17 PM.
Well, they are different. I took a course at an Ivy League university when I was 16 that included differential equations; and I still use Google for multiplications like that. And, you have seven capitalization errors, a hyphen error, and a verb error.
Just making fun. There are folk with a very low IQ who can calculate complex arithmetic in an instant -- and there are math geniuses who think in infinite dimensions who go out for a walk and can't remember how to get home. Arithmetic, math, and memory are very different processes. Kind'a like the diff twixt rote memory, table lookup and pure thought.
Last edited by Norm; 12-31-2020 at 05:10 AM.
"I don't think outside the box; I think of what I can do with the box." - Henri Matisse
Capitalization errors, a hyphen error, and a verb error? I checked my grammar beforehand using Microsoft Word Editor before posting the statement. Maybe, I should check the settings. By the way, I know someone from an Ivy League University that can multiply double digits by double digits mentally.
Last edited by seriousplayer; 12-30-2020 at 06:53 PM.
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