Apple Newton Works Graphing Calculator - Manual (Page 22)

To use these constants, do one of the following:
m Type the function name from the keyboard, or
1 Tap Tools, and then tap Functions.
2 Tap the diamond u, then tap Constants.
3 In the list that appears, tap the constant that you want to use in your calculation.
4 Tap Insert.
Using variables
A variable can represent a number, an expression, or a list. Variable names are not
case-sensitive, can be up to 255 characters in length, and must begin with a letter.
Variables can consist of other variables. For example,
Dist = High–Low
To define your own variable, follow these steps:
1 Enter the variable name and its value.
Use the format v a riable = ex p re ss io n. For example,
myvar = 3
or
myvar = 3+y
22 Chapter 2
T ap the co nstant you want to use.
W he n you’ re finished, tap here to insert the
c o nstant into the math window.