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Command Line Scientific Calculator. Made with ❤️ using 🦀

Usage examples

launch the interactive prompt by typing sciops to run multiple computations

a = 10
b = a + 1.14
c = log(b, 3) + sin(PI)

or run one off computations by simply providing them

$ sciops 10 + 1.14
$ sciops '10 + 1.14 * ln(50)'

Features

# basic arithmetic and assignment
a = 1
b = -2 % a * (3^2 / 4)
b += 100

# functions
               
exp(x)
sqrt(x)
cbrt(x)
abs(x)
floor(x)
ceil(x)
round(x)

ln(x)
log2(x)
log10(x)
log(x, b)

sin(rad)
cos(rad)
tan(rad)

sinh(rad)
cosh(rad)
tanh(rad)

asin(rad)
acos(rad)
atan(rad)

asinh(rad)
acosh(rad)
atanh(rad)

All calculations are done using 64 bit binary floating point arithmetic (using the Rust type f64), so you can come across the limitations of this implementation, and observe behavior that may be different from other “scientific calculators”, such as the following:

• Rounding errors that may be surprising in decimal notation (e.g. evaluating 0.1 + 0.2 prints 0.30000000000000004).
• Special values such as “infinity”, “not a number” or a negative zero can be the result of calculations that overflow or have invalid arguments.

Contributing

1. Fork it (https://github.com/virajbhartiya/sciops/fork)
2. Create your feature branch (git checkout -b feature/fooBar)
3. Commit your changes (git commit -am 'Add some fooBar')
4. Push to the branch (git push origin feature/fooBar)
5. Create a new Pull Request