camel-cdr / culator

A simple infix notation floating-point cli calculator

Culator

A simple infix notation floating-point cli calculator supporting:

• Simple operations: +, -, *, /, **/^
• Grouping with parentheses: (, )
• Math constants, e.g.: pi, e
• Math functions, e.g.: sqrt, sin, atan2, trunc

Examples

$ culator
(3 + 2) / 3
1.66666666666667
3 + 2 / 3
3.66666666666667

2**32
4294967296

e
2.71828182845905
pi
3.14159265358979

sin(2*pi)
-1.73436202602476e-34
atan2(1, 1) * 180 / pi
45

e^(1/3 + 2)
10.3122585013258

$ # Calculate the average line width of FILE
$ culator "`wc -c README.md | cut -d " " -f1` / `wc -l README.md | cut -d " " -f1`"
29.1190476190476

Install

sudo make clean install

Licensing

MIT or public domain, see LICENSE.

References

• Per Vognsen's Bitwise tutorial series [day 3]