HP -225 Owner's Manual page 14

28 Messages and the Attention Annunciator
29 Introduction to and [SOLVE
29 Writing and Entering an Equation
30 Evaluating an Equation
31 Solving an Equation
2 32 Arithmetic and Variables
32 Arithmetic Operators
33 Chain Calculations
33 Operator Priority
34 Using Parentheses in Calculations
36 Reusing the Previous Result (Jl[LAST])
36 Swapping the Displayed Number With the Previ-
ous Number
37 Variables (Registers)
39 Storage Arithmetic With Variables
40 The VARS (Variables) Catalog
40 Clearing Variables
3 41 Numeric Functions
42 Power and Logarithmic Functions
43 Reciprocal
43 Percent Functions
43 Percent
44 Percent Change
44 Pi (m)
45 Angular Modes
45 Trigonometric Functions
46 Angle and Hour Conversions
48 Polar/Rectangular Coordinate Conversions
50 Probability Functions
51 Hyperbolic Functions
52 Parts of Numbers
53 Unit Conversions
6 Index