. Not these embarrassing ones I have on now.” Chihiro giggled, and Satoru nearly choked while he cracked a “heh.”
“Well, Tanaka-chan, I’ll not tell you what the presents are yet, but I’ll tell you that you have no boxers in the wrapping. I doubt there are any that fit your size.”
“So Mom, how ‘bout I call Wal-Mart and ask them what’s the smallest they’ve got. I know they’re open on New Years.”
“How do you—Oh, wait. It’s one of your imported memories from your dream, isn’t it?”
“Just call them and check. I promise they are open today. And if they are, will you promise to get me some boxers? I REALLY would like to seem older than I am, and I had thought that the kind of underwear that I’m wearing right now is something that 5-year-olds are too old to wear. It’s embarrassing to even mention, much more to wear it!” Tanaka shook his head.
Mom sighed. “Um, I guess, but only if they have them in your size.”
Out of the corner of his eye, Tanaka noticed that Toshiaki’s mouth was caked with food remnants. “Ok, little bro, jeez, don’t make a mess of yourself. Learn how to use a napkin.” Tanaka got his napkin and wiped Toshiaki’s mouth off. Right before he finished, Toshiaki yelled “Stop it!” and threw a food fragment at Tanaka’s shoulder.
Tanaka sternly told him, “I think I’ll learn to shape ya up, ya little brat. Throwing food at other kids makes you liable to get your… eh, um, mass kicked. They’ll kick you in the, yeah, tail, and your nuts. You’ll regret ever throwing food at anyone.”
Dad looked slightly miffed. “Tanaka, I’ll get you a shrink. I think what you’ve said about yourself IS true. The way you threatened Toshiaki-chan is nothing like I’ve heard you say before. I know he needs to mind his table manners but you’re being over the top. On the other hand, it’s a little better than you throwing food or even splashing a drink back at him. You escalated the mess with him many times, but today, you cleaned your breakfast off the plate so well and used your napkin like a good boy is supposed to. Your Mom & I prayed for a miracle to happen to you from this flu and well, this has gotta be it!”
“I’ve had and heard too much. I don’t know Tanaka anymore either.” Chihiro said.
“I told you so.” Satoru told Chihiro.
As the family began finishing up, removing themselves and the plates from the table, Tanaka started drinking from his glass when Mom asked him, “Is there anything else you’d like for your birthday? I can do some last-minute shopping for you before our party starts at Noon.”
“Of course, Mom. Get me some 2nd-grade-level workbooks ‘cause I’d like to have fun doing schoolwork again. And a laptop.”
Mom gave him a confused scowl.
Tanaka fumbled, but decided on the right response. “You know, that are appropriate for kids like myself. There are some low-cost laptops for kids, right, Mom?”
“Yes, like those made by V-Tech and Leap Frog. Satoru and Chihiro has those kinds of electronic toys in their toy chests.” Mom responded.
“Umm, sure! Why not? I’d like to enhance my already-enhanced brain, or at least have fun with them.” Tanaka hesitantly replied.
“Okay, workbooks and a toy laptop. I’ll be back in an hour or so.”
“Once I master those workbooks, will you give me higher-level ones?”
“I’ll check through them all, and if you get an “A” on all of them, then yes I will.”
“Okay, have fun shopping, Mom!”
Mom got her keys and jingled them goodbye. “Bye Tanaka, love you, Kanoku, bye kids!” She headed for the garage.
Tanaka approached Dad as he was pre-rinsing the dishes and passing them to Satoru loading them up in the dishwasher. “Now Dad, remember I told you I’d make you watch me do an algebra problem?”
“Of course. The marker and board is right over there. Go on. Impress us.”
Tanaka pulled up a stool and sat at the marker board. He wrote (2x2+4y)(5x2-6y) albeit in crude, kindergartner’s penmanship. “And here is how you solve this problem, Dad.”
10x4+8x2y-24y2 is what Tanaka wrote and underlined on the whiteboard. Satoru batted his eyes.
“Wow, Tanaka, good show!” Dad exclaimed. He went up to erase the whiteboard and draw his own problem, just for good measure.
(8x2+9y+z3)(24x2+10y+9z3) Tanaka got to work.
192x4+80x2y+72x2z3+216x2y+90y2+81yz3+24x2z3+10yz3+9z6
= 192x4+296x2y+96x2z3+90y2+91yz3+9z6 is what Tanaka figured out for his final solution. Satoru and Dad gave him a standing ovation.
“We need to take a picture, Dad!” Satoru exclaimed.
“I’ll find the camera. Come help me look for it.” Dad found his digital camera in two minutes. “Okay, Tanaka. Pose with the board and smile!” The shutter snapped, and Tanaka graciously smiled and posed to the board. “Now Tanaka, this camera has a video-rolling feature. I’ll write you another problem, and Satoru-kun here will roll footage. Satoru, I’ll press the Record button now. Don’t touch any button while it rolls.”
“Okay, got it, otou-san.” Dad handed it to Satoru, then erased the board, and wrote the problem: (52x+21y)(23x+11y)
“Here you go, Tanaka-chan. Show us what you’re made of.” Dad handed Tanaka the marker.
As he got started, he mumbled, “52 of 20 is 1040. Now, three 52s: 104, 156. 1040 + 156 is 1196”. He wrote 1196x2. “Now 520 + 52. 572.” He wrote 572xy. “Hm, now 230 + 23. 253.” Then Tanaka drew a sloppy 253xy. “Now the last one. 210. 220, 230. 231.” Up came 231y2. “Now the final step: 572+253. 672, 772 + 50 is 822. Ah, 825xy.”
Wow, Tanaka is good at Maths!
Especially algebra.
Loved the references to the Kansas universities.
(And that there's a TanakaToday website).

I'd disagree with that - there are plenty of usecases where it makes perfect sense to persist a float.  In data science it's super common: your whole model is often a bunch of float valued samples.  And even in general applications, there are places where it's common (geolocation for instance typically uses lat/long float values).

&gt;Floats are good for data where precision doesn't actually matter

More accurately, for places where the needed precision depends on absolute magnitude (which is most cases).  Ie. you tend to need different amounts of accuracy when measuring of 10cm than measuring a distance of 1000 miles.  There are situations where precision doesn't matter where an integer or fixed point would still be more appropriate, because its over a fixed range and should retain the same accuracy everywhere (though often floats will get used there too just because of convenience)Apr 30, 2013· This feature is not available right now Please try again later...
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