Fend

Fend is an arbitrary-precision unit-aware calculator.

Unique features:

• Arbitrary-precision arithmetic using rational numbers
• Full support for complex numbers
• Binary, octal, hexadecimal and all other bases between 2 and 36
• Keeps track of units, with support for SI and US customary units
• Emacs-style CLI shortcuts
• Trigonometric functions

See the manual for more information.

Installation

Install fend by running cargo install fend in your terminal.

You can then run fend to start a REPL session:

$ cargo install fend
...
$ fend
> 1 ft to cm
30.48 cm
>

Manual

You can find the Fend manual here.

Examples

> 5'10" to cm
177.8 cm

> cos (pi/4) + i * (sin (pi/4))
approx. 0.7071067811 + 0.7071067811i

> 0b1001 + 3
0b1100

> 1 light year to parsec
approx. 0.3066013937 parsec

Changelog

See here: CHANGELOG.md

License

Fend is MIT-licensed. See LICENSE.md for more information.