勁戰價錢網站相關資料
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勁戰價錢網站相關資料
Speedometer 125
Old style thermometer like speedometer.If you want to know how fast you move in km/h or mph and record the maximum speed (since the last reset) this i …
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Pythagorean theorem
The calculation formula is "c = √( a^2 + b^2 - 2abCos(angle) )".Equivalent to the Pythagorean theorem in angle = 90.Please see below web help for deta …
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