Hot answers tagged mathematics
You're taking the third place (第3位) and you're either throwing it away if it's four or below (四捨) or you add one to the next place if it's five or above (五入). As a result, the third place is gone, and you're only left with two decimal places.
≦ is used everywhere in Japan, unless it's a paper written in English.
I think you're asking this because in English, we distinguish times from by: 3×3=9 three times three is nine a 3×3 block a three-by-three block But I think in Japanese, it's just かける in both cases: ３×３＝９ さんかけるさんはきゅう ３×３のブロック さんかけるさんのブロック You can see that both uses are listed on Wikipedia's article for × in the same section (titled ...
I think the problem comes from "小数第２位未満", but not he latter part. From the sentence, it should mean that a decimal place after the second decimal point is generated. Like: 3.1415 ≈ 3.14 As the decimal places goes further, the actual number it represents becomes smaller. I think this is what 未満 comes from. It means: when a decimal place that is not big ...
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