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ChemOffice.Com - CambridgeSoft

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Administrator<br />

7. Select the number of decimal places that the<br />

result should be limited to, from the listbox.<br />

When a user double-clicks a cell in the Calculations<br />

column, the Calculations Wizard appears. Click on<br />

the Mathematical Tab to access the mathematical<br />

calculations.<br />

8. Click Finish.<br />

Mathematical Calculations<br />

Mathematical calculations are any calculations<br />

performed using a defined equation. There are<br />

some already defined calculations which can be<br />

used including:<br />

• % Inhibition - returns the % inhibition (100 *<br />

((Value - LowControlAverage) /<br />

(HighControlAverage - LowControlAverage)))<br />

• Log(x) - returns the log (base 10) of a value<br />

• 10^x - returns the inverse log of a value<br />

• Addition<br />

• Subtraction<br />

• Multiplication<br />

• Division<br />

• Percentage<br />

• Half Life - (Time * ln(2)) / (ln(100 /<br />

PctRemaining))<br />

• Z' Factor - 1 - ((3*SDPosCtl + 3*SDNegCtl) /<br />

abs(AvgPosCtl - AvgNegCtl))<br />

There are two options in using a mathematical<br />

calculation:<br />

• Use a default equation<br />

• Define a new equation<br />

Use a Default Mathematical Calculation<br />

To use a default calculation:<br />

1. Click on the Mathematical Tab.<br />

2. Highlight which calculation you would like<br />

inserted into the cell.<br />

3. Click Next.<br />

118•BioAssay<br />

<strong>CambridgeSoft</strong><br />

Protocols

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