Application runs in a docker container on any platform supported by Docker. The following commands are for installation on a Linux machine.
Checkout the source code:
$ git clone git@git.toptal.com:Luis-Filipe/felix-enescu.git
$ cd felix-enescu
Build the application container:
$ docker docker build -t calculator .
Start application container, mapping application to port 8080 of the host machine:
$ docker run -d -p 8080:5000 calculator
Note the container id for future reference
The calculator has the following features:
- supports addition, subtraction, multiplication, division, exponentiation, square root, log, sin and cos on floating point numbers
- solve simple linear equations with a single variable (namely, x), only addition, subtraction and multiplication operations are allowed
- supports parentheses in both modes
- have a language parser
- uses only base modules, do not use any library that can accomplish any of the listed requirements
- handles all error cases properly (by carefully indicating the errors to the user)
input: (3+(4-1))*5
output: 30
input: 2 * x + 0.5 = 1
output: x = 0.25
input: 2*x + 1 = 2*(1-x)
output: x = 0.25