Operating the Calculator 147
Definitions
Notes:
•The Technical Reference module describes all of the built-in functions and
instructions.
Expression Consists of numbers, variables, operators, functions, and
their arguments that evaluate to a single answer. For
example:
pr
2
+3.
• Enter an expression in the same order that it normally is
written.
• In most places where you are required to enter a value,
you can enter an expression.
Operator
Performs an operation such as +, –,
ù, ^.
• Operators require an argument before and after the
operator. For example: 4+5 and 5^2.
Function Returns a value.
• Functions require one or more arguments (enclosed in
parentheses) after the function. For example:
‡(5) and
min(5,8).
Instruction Initiates an action.
• Instructions cannot be used in expressions.
• Some instructions do not require an argument. For
example: ClrHome.
• Some require one or more arguments. For example:
Circle 0,0,5.
Note: For instructions, do not put the arguments in
parentheses.
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