Handspring Treo 270 User Guide
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Chapter 6Page 151 2. Tap the remaining pick lists and select the other three cities you want to display. Tip: You can temporarily display the day and time for any other city by tapping the city’s location on the map display. Adding cities If the city you want to display is not in the predefined list, you can use the Edit Cities command to add it. To add a city to the list: 1. Press Menu . 2. Under Options, select Edit Cities (/E). 3. Tap New. 4. Enter the city name and other information. 5. Hold Option and press Return to finish. CityTime menus CityTime menus are shown here for your reference, and CityTime features that are not explained elsewhere in this guide are described here. See page 33 for information about choosing menu commands. Options menu Utilities menu About CityTimeShows version information for CityTime. HelpDisplays online help for the CityTime screens. Change LocationOpens the Change Location dialog box where you can select the city to which you are moving or travelling. Changing the location updates the system time and date. Sun Rise/SetOpens the Sun Rise/Set dialog box where you can view sunrise and sunset information for your home city. To view this information for another city, tap the City pick list and select the city from the list. To view this information for another date, tap the scroll arrows next to the date box.
Page 152 Application-Specific Tasks 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 Toggle Mode command enables you to choose whether you want to work in Basic Calculator mode or Advanced Calculator mode. You can change modes at any time. To select the Calculator mode: 1. Press Option and then press SMS Messaging . Tip: You can also access Calculator by tapping the Calculator icon in the Applications Launcher. 2. Press Menu . 3. Under Options, select Toggle Mode (/M). Tip: You can also toggle between Basic and Advanced mode by holding Option and repeatedly press SMS Messaging . Using the Basic Calculator buttons The Basic Calculator includes the following buttons. Clears the last number 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 re- enter the number without starting the calculation over. Clears the entire calculation and enables you to begin a fresh calculation. Toggles the current number between a negative and positive value. If you want to enter a negative number, enter the number first and then press the +/- button. Places the current number in memory. Each new number you enter with the M+ button is added to the total already stored in memory. You can add either a calculated value or a number you enter by pressing the number buttons. Pressing this button has no effect on the current calculation (or series of calculations); it merely places the value into memory until it is recalled. Recalls the stored value from memory and inserts it in the current calculation. Clears any value that is stored in the Calculator memory.
Chapter 6Page 153 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. Press Menu . 2. Under Options, select Recent Calculations (/I). 3. After you finish reviewing the calculations, hold Option and press Return to finish. Using the Advanced Calculator mode The Advanced Calculator screen consists of three regions. Each region performs a different function to help you perform a variety of calculations. 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. The information that follows provides an overview of the Advanced Calculator functions. For more detailed information and instructions, visit the website: www.radiks.net/~rhuebner/parendoc.html Primary buttons avail- able in all views View specific buttons change with view Tap here to change views
Page 154 Application-Specific Tasks 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 re- enter the number without starting the calculation over. Enters an exponent symbol in the calculation. Opens the Constants dialog box where you can select a constant to include in the calculation. Opens the Store in which memory dialog box where you can select the memory bank in which you want to store the current value. Advanced Calculator has ten memory banks. Opens the Recall which memory dialog box where you can select the memory bank from which you want to recall a value. Squares the current value. Calculates the value of x raised to the y power. Calculates the value of a common (base 10) antilogarithm. Calculates the value of a natural (base e) antilogarithm. Calculates the reciprocal of the current number. Displays the integer portion of a decimal value. Calculates the square root of the current number. 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.
Chapter 6Page 155 Trigonometry buttons Finance buttons Finance buttons enable you to find an unknown variable value based on a group of known variable values. For example, to calculate the monthly payment for a 30-year home loan of $100,000 with an annual interest rate of 8%, you would enter the following variables: nPayments/year = 12 nN = 360 (30 years x 12 months) nAPR = 8 nPV = 100,000 nFV = 0 Using these variables, the answer would be -733.76 per month. To solve this example: 1. Enter a value and then tap the corresponding variable button. Repeat this process until you’ve entered the following four variables: nN = 360 (30 years x 12 months) nAPR = 8Calculates 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 number. Calculates the hyperbolic tangent of the current number. Calculates the arc (inverse) sine of the current number. Calculates the arc (inverse) cosine of the current number. Calculates the arc (inverse) tangent of the current number. Calculates the arc (inverse) hyperbolic sine of the current number. Calculates the arc (inverse) hyperbolic cosine of the current number. Calculates the arc (inverse) hyperbolic tangent of the current number.
Page 156 Application-Specific Tasks nPV = 100,000 nFV = 0 2. Enter 12 and tap the P/Yr button to enter the number of payments per year. 3. Tap Edit. 4. Tap the Pmt line and erase all values on the line including zero. 5. Tap Solve. 6. Hold Option and press Return to finish. You can use a similar process to solve other financial equations by entering four of the variables to find the value of the fifth variable. Stores the current number as the total number of payments over the life of the loan. Stores the current number as the annual percentage rate of interest. Stores the current number as the number of payments per year. Stores the current number as the initial loan amount. Stores the current number as the payment amount. Stores the current number as the compounded loan amount including interest. Opens the Time Value of Money dialog box where you can modify values and solve the equation. Stores the remaining balance, interest, and principal (amortization) based on the supplied values. Calculates a given percentage of a value. To use this button, enter a value, tap this button, enter the percent, and then tap the equal sign button. 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, enter the result number, tap this button, enter the starting number, and then tap the equal sign button.
Chapter 6Page 157 Logic buttons Statistics buttons Shifts the value to the left and fills the new places with zeros. Enters D in a hexadecimal calculation. Enters E in a hexadecimal calculation. Enters F in a hexadecimal calculation. Calculates bit-by-bit commonalities between two arguments. Calculates bit-by-bit unique occurrences in two arguments. Shifts the sign bit to the right in signed mode. Enters A in a hexadecimal calculation. Enters B in a hexadecimal calculation. Enters C in a hexadecimal calculation. Calculates the inverse of each bit of the argument. Calculates the exclusive OR between two arguments. 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 Statistical Data dialog box where you can view, edit, delete, and clear values in the statistics memory list. Displays the number of values in the statistics memory list. Calculates the factorial of any integral from 0 to 170.
Page 158 Application-Specific Tasks Weight/Temp buttons Length buttons Generates a random number between 0 and 32767 and then divides this number by 32768 to generate a random fraction between 0 and .99997. Returns the number of combinations of n items taken m at a time. Returns the number of permutations of n items taken m at a time. Indicates the current value is entered in ounces. When you tap this button after tapping another unit of measure, it converts the value to ounces. Indicates the current value is entered in pounds. When you tap this button after tapping another unit of measure, it converts the value to pounds. Indicates the current value is entered in US tons. When you tap this button after tapping another unit of measure, it converts the value to US tons. Indicates the current value is entered in UK tons. When you tap this button after tapping another unit of measure, it converts the value to UK 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. Indicates the current value is entered in kilograms. When you tap this button after tapping another unit of measure, it converts the value to kilograms. Indicates the current value is entered in metric tons. When you tap this button after tapping another unit of measure, it converts the value to metric tons. Indicates the current value is entered in degrees Fahrenheit. When you tap this button after tapping another unit of measure, it converts the value to degrees Fahrenheit. Indicates the current value is entered in degrees Kelvin. When you tap this button after tapping another unit of measure, it converts the value to degrees Kelvin. Indicates the current value is entered in degrees Celsius. When you tap this button after tapping another unit of measure, it converts the value to degrees Celsius. Indicates the current value is entered in inches. When you tap this button after tapping another unit of measure, it converts the value to inches. Indicates the current value is entered in feet. When you tap this button after tapping another unit of measure, it converts the value to feet. Indicates the current value is entered in yards. When you tap this button after tapping another unit of measure, it converts the value to yards. Indicates the current value is entered in miles. When you tap this button after tapping another unit of measure, it converts the value to miles.
Chapter 6Page 159 Area buttons Indicates the current value is entered in nautical miles. When you tap this button after tapping another unit of measure, it converts the value to nautical miles. 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 the current value is entered in kilometers. When you tap this button after tapping another unit of measure, it converts the value to kilometers. Indicates the current value is entered in square inches. When you tap this button after tapping another unit of measure, it converts the value to square inches. Indicates the current value is entered in square feet. When you tap this button after tapping another unit of measure, it converts the value to square feet. Indicates the current value is entered in square yards. When you tap this button after tapping another unit of measure, it converts the value to square yards. Indicates the current value is entered in acres. When you tap this button after tapping another unit of measure, it converts the value to acres. Indicates the current value is entered in square miles. When you tap this button after tapping another unit of measure, it converts the value to square miles. Indicates the current value is entered in square millimeters. When you tap this button after tapping another unit of measure, it converts the value to square millimeters. Indicates the current value is entered in square centimeters. When you tap this button after tapping another unit of measure, it converts the value to square centimeters. 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 the value to square kilometers.
Page 160 Application-Specific Tasks Volume buttons Creating a custom view You can modify any existing Advanced Calculator view to create your own view. While customizing a view, you can change the button names as well as the button definitions. To create a custom view: 1. From the Advanced Calculator screen, press Menu . 2. Under Program, select Export (/E). 3. Tap the pick list and select the view you want to modify. 4. Tap Export. 5. Hold Option and press Return twice. 6. In Memo Pad, open the memo containing the definition you selected in step 3. 7. Modify the definition, and then hold Option and press Return .Indicates the current value is entered in teaspoons. When you tap this button after tapping another unit of measure, it converts the value to teaspoons. Indicates the current value is entered in fluid ounces. When you tap this button after tapping another unit of measure, it converts the value to fluid ounces. Indicates the current value is entered in cups. When you tap this button after tapping another unit of measure, it converts the value to cups. Indicates the current value is entered in pints. When you tap this button after tapping another unit of measure, it converts the value to pints. Indicates the current value is entered in quarts. When you tap this button after tapping another unit of measure, it converts the value to quarts. Indicates the current value is entered in gallons. When you tap this button after tapping another unit of measure, it converts the value to gallons. Indicates the current value is entered in tablespoons. When you tap this button after tapping another unit of measure, it converts the value to tablespoons. Indicates the current value is entered in milliliters. When you tap this button after tapping another unit of measure, it converts the value to milliliters. Indicates the current value is entered in liters. When you tap this button after tapping another unit of measure, it converts the value to liters. Indicates the current value is entered in cubic inches. When you tap this button after tapping another unit of measure, it converts the value to cubic inches. Indicates the current value is entered in cubic feet. When you tap this button after tapping another unit of measure, it converts the value to cubic feet. Indicates the current value is entered in cubic meters. When you tap this button after tapping another unit of measure, it converts the value to cubic meters.