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8 Contents
142
The Time Menu
143
Setting the Time and Date (SET)
144
Changing the Time and Date Formats (SET)
144
Adjusting the Clock Setting (ADJST)
145
Appointments (APPT)
145
Viewing or Setting an Appointment (APT1-APT10)
147
Acknowledging an Appointment
148
Unacknowledged Appointments
148
Clearing Appointments
149
Date Arithmetic (CALC)
150
Determining the Day of the Week for Any Date
150
Calculating the Number of Days between Dates
151
Calculating Past or Future Dates
12
153
The Equation Solver
153
Solver Example : Sales Forecasts
156
The SOLVE Menu
157
Entering Equations
158
Calculating Using Solver Menus (CALC)
161
Editing an Equation (EDIT)
161
Naming an Equation
162
Finding an Equation in the Solver List
162
Shared Variables
162
Clearing Variables
163
Deleting Variables and Equations
164
Deleting One Equation or Its Variables (DELET)
164
Deleting All Equations or All Variables in the Solver
(
@c
)
164
Writing Equations
166
What Can Appear in an Equation
168
Solver Functions
174
Conditional Expressions with IF
176
The Summation Function (
∑
)
177
Accessing CFLO and SUM Lists from the Solver
178
Creating Menus for Multiple Equations
(S Function)