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Z chart for multiplication and division using uniformly divided
Double Z chart for multiplication and division in equations of four
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absolute humidity ALIGNMENT CHARTS angle ascend in opposite axis computed constant construction method curved scale described under Type determined values dew point diagonal line diagonal scale distance divisions double Z chart dry-bulb temperature example expressed mathematically fi(y formula method frustrum ft(v ft(w function scales graphically h scale law of sines line drawn line is subdivided lines are drawn lines in Fig logarithmic cycles logarithmic scales nomogram is shown nomographic opposite directions parallel lines parallel or perpendicular parallel scale lines perpendicular solution lines procedure quadratic equation reciprocal scale reference line relation replaced with scales scale is independent scale unit scales ascend scales of fi(x selected upper value selected value shown in Fig similar triangles slope-intercept form space allows straight line subdivided uniformly the/i(x tion type form type of nomogram uniformly divided scale value of f(x viscosity wet-bulb temperature written