User`s guide

5- 4 Agilent EasyEXPERT User’s Guide Vol. 1, Edition 1
Built-in Programming Tool
Variables and Expressions
Expressions
Figure 5-1 shows the expression effective for variable definition. The elements are
explained below.
Figure 5-1 Syntax of Expression
Constants
The following scientific constants are available.
• q: electric charge. 1.60217710
-19
• k: Boltsmann’s constant. 1.38065810
-23
• e: space permittivity. 8.85418810
-12
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