9
Entering an expression
An expression consists of numbers, variables, operators, functions,
and their arguments that evaluate to a single answer. 2X + 2 is an
expression.
Type the expression, and then press Í to evaluate it. To enter
a function or instruction on the entry line, you can:
• Press its key, if available. For example, press «.
— or —
• Select it from the CATALOG. For example, press y
N, press † to move down to
log(, and press Í to
select log(.
— or —
• Select it from a menu, if available. For example, to find
the
round function, press , press ~ to select NUM,
then select 2:round(.
Example: Enter and evaluate the expression p Q
2.
Press Result
y B ¯ 2
Í
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