HP 35s Scientific Calculator User Manual

Page 218

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14-8

Programming Techniques

Example:

The "Normal and Inverse–Normal Distributions" program in chapter 16 uses the
x

<y? conditional in routine T:

Line T009 calculates the correction for X

guess

. Line T013 compares the absolute

value of the calculated correction with 0.0001. If the value is less than 0.0001 ("Do
If True"), the program executes line T014; if the value is equal to or greater than
0.0001, the program skips to line T015.

Keys:

Display:

In RPN mode



ÕÕ

(

<)



In ALG mode

ÕÕ

(

<)



Program Lines:

(In RPN mode)

Description

.

.

.

 

Calculates the correction for X

guess

.

  

Adds the correction to yield a new X

guess

.

 
 
 

<

Tests to see if the correction is significant.

  

Goes back to start of loop if correction is significant.
Continues if correction is not significant.

  
  

Displays the calculated value of X.

.

.

.

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