Thermometer Calibration

[Demister]

How do we caliberate a thermometer by cross multiplying without using the formula

 

[Vanadium 50]

That is incomprehensible. Cross-multiplying what? What formula?

 

[Demister]

That is incomprehensible. Cross-multiplying what? What formula?

Sorry its that ( Teta = L teta - l0 / L100 - l0 ) * 100 ( or difference in temperature )... hope u get it sorry.. :( but plss help tmrw test