Going over the last few installments of **Pocket Morning Weekly Q&A**, posted in translation at Hello!Online, one might notice a developing interest in mathematics by none other than Michishige Sayumi:

**2008.03.30**

**Question:** *Is there something about which you’ve thought, “Certainly this year, I want to challenge myself with this!”?*

**Michishige:** Math Problems ☆

**2008.05.11**

**Question:** *Fill in the blank to the right with one word. “I’m surprisingly ___”*

**Michishige:** I’m surprisingly intellectual.

Please try to understand that somehow. m(・-・)m

**2008.06.15**

**Question:** *Among your fellow members, what about you makes you think, “At this, I definitely can’t lose!”*

**Michishige:** Simultaneous equations!!

The evidence is indisputable. Sayumi is a math geek. XD

While her fellow MoMusu are busy with more mundane interests, our Sayumi is off challenging herself with math problems (here, Sayu, try Project Euler) and has apparently discovered the wonders of linear algebra (I’m assuming at least some of those simultaneous equations are linear). No doubt Sayumi has mastered the techniques of Gauss-Jordan elimination, Cramer’s rule, and LU decomposition and is well on her way to achieving world domination.

In addition to this, Sayumi has listed Tetris as a hobby and as a “special skill”. This is by far the geekiest interest I’ve seen in any H!P member. Because Tetris is not your average video game. It is a mind-stretching mathematical puzzle, and several of its subproblems are NP-complete. **NP-complete**, I tell you! This places it in the class of difficult problems that includes Boolean *k*-satisfiability, determining the existence of a Hamiltonian path, and Minesweeper.

Sayumi is hardcore.

For this, she gets an **Excellence in Unabashed Geekitude Award**.

And I still need to give Koharu one, don’t I?

## 8 comments

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2008-06-27 at 16:40

MidoriI suppose it’s good to have a member of Morning Musume, who as a whole is appearently presumed dumb by the Japanese public (via Utaban), go out there and show that she’s probably smarter than most people in one area.

2009-07-20 at 23:35

Arbitrary GreayLatest update, post-AX, courtesy of Takahashi’s online radio show:

“Aichan asks Sayu to give advice to people who are bad at math (multiplication specifically). She says do your drills. Sayu has been enjoying learning quadratic equations.”

Source: http://www.hello-online.org/blog/zabel/index.php?showentry=5091

2009-07-21 at 02:44

Kirarin☆Snow ☃Ooh, thanks for letting me know! I listened to the original audio to hear what they actually said, and though I wasn’t able to parse much of it, Sayu clearly says “renritsuhouteishiki” (simultaneous equations) and not “nijihouteishiki” (quadratic equations), unless she also says that at some other point and I couldn’t parse it. So it looks like she’s saying she’s enjoyed simultaneous equations, which is the same thing she already said earlier in her Pocket Morning answer. In any case, I’m certainly glad Sayu is continuing to be an unabashed math geek and willing to help others with math problems. ^_^

2009-08-13 at 11:53

Arbitrary GreayYet another update: http://www.hello-online.org/index.php?act=helloonline&CODE=article&topic=905

“Q: What are your skills?

Braiding (pretty quickly), Y-shaped balance, grade four math.

Q: What are your favourite words?

Thank you. Left-right symmetry.”

2009-08-14 at 19:09

Arbitrary GreayNot Sayumi-related, but I wanted to note that in the VTR for their spring 2009 concert, Berryz’s captain listed mathematics as her good subject. (Miyabi also listed domestic science as her subject, but I’m not sure if that means home ec or not)

2009-08-14 at 19:09

Arbitrary GreayOops, wrong video. *palmface*

2009-08-14 at 19:54

Kirarin☆Snow ☃I saw that … yay Captain! ^_^

And I think domestic science is home ec.

As for 4th grade math, I think Sayumi’s capabilities are far beyond that. She’s just being modest. XDD

2012-01-12 at 20:00

SINE! COSINE! MENTAIKO! « ★MINI MONI MANIA★[...] H!P math drama??!!! I’ve been waiting for this my whole life! (Never mind that my life predates H!P.) And of course I’m happy to see Sayu starring as a math geek, given the interest she’s expressed in the subject. [...]