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164 Using Variables
spreadsheet cell or the contents of a row or column, or a function expression.
When you create a variable, it is stored in memory.
Types of Variables
You can store the following data types as variables:
Data type Examples
Expression
2.54 1.25E6 2p xmin/102+3i (xN2)
2
List {2, 4, 6, 8} {1, 1, 2} {"red", "blue", "green"}
Matrix
This can be entered as: [1,2,3;3,6,9]
Character string “Hello”“xmin/10”“The answer is:”
Function, program myfunc(arg )ellipse(x, y, r1, r2 )
Measurement area, perimeter, length, slope, angle
When you click or press h on a handheld to open the list of stored
variables, a symbol indicates the type.
Creating a Variable from a Calculator Value
This example shows how to create a variable using a handheld. Complete the
following steps to create a variable named num and store the result of the
expression 5+8
3
in that variable.
1. On the Calculator entry line, type the expression 5+8^3.