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Quick links About
bc
Syntax
Usage
Examples
Related commands
Linux / Unix main page
About bc
Calculator.
Syntax
bc [-c] [-l] [file]
| -c |
Compile
only. The output is dc commands that are sent to the standard output. |
| -l |
Define the math functions and initialize scale to 20, instead of the default zero. |
| file |
Name of the file that contains the bc commands to be calculated this is not
a necessary command. |
Usage
| L |
A letter a-z |
| E |
An expression: a (mathematical or logical)
value, an operand that takes a value, or a combination of operands and operators that evaluates to a
value. |
| S |
Statement |
| /* and /* |
Comment |
| sqrt ( E ) |
Square root |
| length ( E ) |
Number of significant decimal digits. |
| scale ( E ) |
Number of digits right of decimal point. |
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| quit |
Exits the bc command. |
Available Operators
+ - * / % ^
(% is remainder; ^ is power)
++ -- (prefix and postfix; apply to names)
== <= >= != < > = =+ =- =* =/ =% =^
Examples
bc cal.txt
= Would result in 3, see below notes.
Within
the cal.txt file you could have a simple statement such as: /*
Add the value 1+2 /*
1+2
quit When
running the above command you will receive the results of the
cal.txt file. Which in this case would be 3.
Related commands
dc
awk |
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| Resolved |
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