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On the equator of the earth, it takes a circle of 40075.04 kilometers around the earth, and @ circle is divided into 360°. And eve...

Dew point temperature and saturated vapor pressure online calculator software This calculator calculates the relative humidity of ...

App description The calculation formula of the critical oxygen deficit model: \( L=L_0exp(-k_dt) \) \( O=O_s - \frac {k_dL_0}{k_a-...

Evaporation of liquid (other than water) GZ: kg / hour A: Ash of coal, % M: liquid molecular weight V: The air flow rate (m/s) on ...

Planar vector angle online calculator \(|a|=√[x1^2+y1^2]\) \(|b|=√[x2^2+y2^2]\) \(a \times b=(x1,y1)(x2,y2)=x1x2+y1y2\) \(cos=a \t...

APP description The formula of centripetal force centrifugal force: Centripetal centrifugal force: \(f= \frac {mv^2}{r} \) Radius:...