Using VIEW for Displaying Data

The programmed VIEW instruction { ‰ variable stops a running program and displays and identifies the contents of the given variable, such as

/ ) 

This is a display only, and does not copy the number to the X–register. If Fraction–display mode is active, the value is displayed as a fraction.

Pressing šcopies this number to the X–register.

If the number is wider than 10 characters, pressing {  displays the entire number. (If it is a binary number with more than 12 digits, use the <and 6keys to see the rest.)

Pressing † (or a ) erases the VIEW display and shows the X–register.

Pressing zbclears the contents of the displayed variable.

Press fto continue the program,

If you don't want the program to stop, see "Displaying Information without Stopping" below.

For example, see the program for "Normal and Inverse–Normal Distributions" in chapter 16. Lines T15 and T16 at, the end of the T routine display the result for X. Note also that this VIEW instruction in this program is preceded by a RCL instruction. The RCL instruction is not necessary, but it is convenient because it brings the VIEWed variable to the X–register, making it available for manual calculations. (Pressing šwhile viewing a VIEW display would have the same effect.) The other application programs in chapters 15 through 17 also ensure that the VIEWed variable is in the X–register as well — except for the "Polynomial Root Finder" program.

Using Equations to Display Messages

Equations aren't checked for valid syntax until they're evaluated. This means you can enter almost any sequence of characters into a program as an equation — you enter it just as you enter any equation. On any program line,

12–14 Simple Programming

File name 32sii-Manual-E-0424

 

Printed Date : 2003/4/24

Size : 17.7 x 25.2 cm