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Equations of Three Variables
Equations of More Than Three Variables
Example 5W w ggQ U
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carries values chart for equation completed chart constant Construct a chart Construct a parallel Construct an alignment conversion chart corresponding values cubic equation determined diagonal engineer's scale equal equations of three Example Figure four variables H to vary inches long index line connecting length of scale limits line in position log d varies log Q log scale logarithmic scale Miog modulus Mz Non-uniform Scales parallel scale alignment parallel scale chart position to solve Prepare a chart Prepare a three Prepare an alignment Q scale Rewrite the equation satisfy the equation scale alignment chart scale distances scale equation scale graduated scale modulus Mw second equation Show values shown in Fig shows the chart shows unit increase similar triangles solution specific values Taking logarithms three parallel scale three variables trigonometric function turning scale uniform scales unity values of H vary from 0.1 X scale