MathFacts

This package is to help practice common / simple math facts. I wrote it for my 8yo son to practice his addition, subtraction, and multiplication.

At the end of the number of questions it will display a tally with the following info: - Score - Correct - Total questions - Average time per question

Usage

``` USAGE: mathfacts [OPTIONS]

OPTIONS: -h, --help Print help information -m, --max Largest number to possibly generate [default: 12] -n, --number Number of questions to ask [default: 10] --negative Allow random to generate negative numbers

SUBCOMMANDS: add
help Print this message or the help of the given subcommand(s) multiply
subtract
```