Refactor code

thanks to @qmhc #50

add d.ts TypeScript Support

close #45
thanks to @lvqq

Performance update, change recursion to iteration

thanks to @zhiyan
#37

Add String Support

Thanks to @xiaosu12138
#34

Add ES Moudule output

New feature: Add ES Moudule output

Thanks to @luxp

NP.divide bugfix

NP.divide bugfix

Fix #19 #18 #12
PR: #21

Special thanks to @lxfriday

Add enableBoundaryChecking() method

If you want to get rid of XXX is beyond boundary when transfer to integer, the results may not be accurate, use this at the beginning of your app to turn off boundary checking.

NP.enableBoundaryChecking(false);

1.2.0

• Rewrite with TypeScript 🎆 ✨✨
• Use Rollup to bundle

1.1.7

Add TypeScript support.

merged #5

1.1.6

Fix bugs in exponential notation.

Fix #4