User Guide

Solving an Equation
You can find an exact (symbolic) solution or an approximate (numeric)
solution of an equation. For more information on symbolic and numeric
computations, see Symbolic and Numeric Computation (page 66).
To solve an equation:
1. Enter an equation.
2. Display the context menu.
3. From the context menu, select Solve or Solve Numerically.
For more information on solving equations, including solving inequations,
differential equations, and other types of equations, see Solving Equa-
tions (page 78).
Using Units
You can create expressions with units. To specify a unit for an expression,
use the Units palettes. The Units (FPS) palette (Figure 1.9) contains import-
ant units from the foot-pound-second (FPS) system of units used in the United
States. The Units (SI) palette (Figure 1.10) contains important units from
the international system (SI) of units.
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