Handspring Visor Handheld User Guide

Chapter 6 Page 123
Calculator
Calculator includes two operating modes: Basic and Advanced. In 
Basic mode you can perform simple mathematical calculations. In 
Advanced mode you can access scientific functions and perform 
sophisticated math calculations. This section explains how to select 
the operating mode and use the buttons and menu options available 
in each mode.
Selecting the Calculator mode
The Change Mode dialog enables you to choose whether you want to 
work in Basic Calculator mode or...

Page 124  Application Specific Tasks
Displaying Recent Calculations
The Basic Calculator’s Recent Calculations command enables you to 
review the last series of calculations and is particularly useful for 
confirming a series of “chain” calculations.
To display recent calculations:
1. Tap the Menu icon  .
2. Tap Options, and then tap Recent Calculations.
3. After you finish reviewing the calculations, tap OK.
Using the Advanced Calculator mode
The Advanced Calculator screen consists of three regions....

Chapter 6 Page 125
Using the Advanced Calculator buttons
In addition to most of the Basic Calculator buttons, the Primary 
buttons are available in all the Advanced Calculator views. The 
remaining buttons are available only in specific views.
Primary buttons
Math buttons
Clears the entire calculation and enables you to begin a 
fresh calculation.
Clears the last digit you entered. Use this button if you 
make a mistake while entering a number in the middle 
of a calculation. This button enables you to...

Page 126  Application Specific Tasks
Trigonometry buttons
Calculates the inverse of x to the y power.
Calculates the common (base 10) logarithm.
Calculates the natural (base e) logarithm.
Displays the remainder of x/y. 
Displays the decimal portion of a decimal value.
Calculates the sine of the current number.
Calculates the cosine of the current number.
Calculates the tangent of the current number.
Calculates the hyperbolic sine of the current number.
Calculates the hyperbolic cosine of the current...

Chapter 6 Page 127
Finance buttons
Finance buttons enable you to find an unknown variable value based 
on a group of known variable values.
To solve a finance variable:
1. Enter a value and tap the corresponding button.
2. Repeat step 1 until you’ve entered four of the following five 
variables: N, APR, PV, Pmt, and FV.
3. Tap Edit.
4. Tap the variable you want to solve. 
Note:The variable line must be completely blank. Erase all 
values on the line including zero.
5. Tap Solve.
6. Tap Done.
Stores the...

Page 128  Application Specific Tasks
Logic buttons
Calculates the change in a value by a given percentage. 
To use this button, enter a value, tap this button, enter 
the percent, and then tap the equal sign button.
Calculates the percentage of one number relative to 
another number. To use this button, enter the first 
number, tap this button, enter the second number, and 
then tap the equal sign button.
Calculates the percentage required to get to one value 
from another value. To use this button,...

Chapter 6 Page 129
Statistics buttons
Weight/Temp buttons
Adds the current value to the end of the statistics 
memory list. You can store up to 200 values.
Calculates the mean of the values in the statistics 
memory list.
Calculates the standard deviation based on a population 
of n.
Calculates the standard deviation based on a population 
of n-1.
Calculates the sum of the values in the statistics memory 
list.
Calculates the square of the sum of the values in the 
statistics memory list.
Opens the...

Page 130  Application Specific Tasks
Length buttons
Indicates the current value is entered in tons. When you 
tap this button after tapping another unit of measure, it 
converts the value to tons.
Indicates the current value is entered in milligrams. 
When you tap this button after tapping another unit of 
measure, it converts the value to milligrams.
Indicates the current value is entered in grams. When 
you tap this button after tapping another unit of 
measure, it converts the value to grams....

Chapter 6 Page 131
Area buttons
Indicates the current value is entered in millimeters. 
When you tap this button after tapping another unit of 
measure, it converts the value to millimeters.
Indicates the current value is entered in centimeters. 
When you tap this button after tapping another unit of 
measure, it converts the value to centimeters.
Indicates the current value is entered in meters. When 
you tap this button after tapping another unit of 
measure, it converts the value to meters.
Indicates...

Page 132  Application Specific Tasks
Volume buttons
Indicates the current value is entered in square meters. 
When you tap this button after tapping another unit of 
measure, it converts the value to square meters.
Indicates the current value is entered in hectares. When 
you tap this button after tapping another unit of 
measure, it converts the value to hectares.
Indicates the current value is entered in square 
kilometers. When you tap this button after tapping 
another unit of measure, it converts...