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Calculator. Use java language, Only use the most basic java grammar. Try to finish computer algebra system.

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Calculator

概述

基于Java语言开发的可编程计算器. CAS(Computer Algebra System)支持开发中.

演示:

>>> @a=12
12
>>> a=a+1
13
>>> 569936821221962380720^3+(-569936821113563493509)^3+(-472715493453327032)^3
3
>>> 999!
402387260077093773543702433923003985719374864210714632543799910429938512398629020592044208486969404800479988610197196058631666872994808558901323829669944590997424504087073759918823627727188732519779505950995276120874975462497043601418278094646496291056393887437886487337119181045825783647849977012476632889835955735432513185323958463075557409114262417474349347553428646576611667797396668820291207379143853719588249808126867838374559731746136085379534524221586593201928090878297308431392844403281231558611036976801357304216168747609675871348312025478589320767169132448426236131412508780208000261683151027341827977704784635868170164365024153691398281264810213092761244896359928705114964975419909342221566832572080821333186116811553615836546984046708975602900950537616475847728421889679646244945160765353408198901385442487984959953319101723355556602139450399736280750137837615307127761926849034352625200015888535147331611702103968175921510907788019393178114194545257223865541461062892187960223838971476088506276862967146674697562911234082439208160153780889893964518263243671616762179168909779911903754031274622289988005195444414282012187361745992642956581746628302955570299024324153181617210465832036786906117260158783520751516284225540265170483304226143974286933061690897968482590125458327168226458066526769958652682272807075781391858178889652208164348344825993266043367660176999612831860788386150279465955131156552036093988180612138558600301435694527224206344631797460594682573103790084024432438465657245014402821885252470935190620929023136493273497565513958720559654228749774011413346962715422845862377387538230483865688976461927383814900140767310446640259899490222221765904339901886018566526485061799702356193897017860040811889729918311021171229845901641921068884387121855646124960798722908519296819372388642614839657382291123125024186649353143970137428531926649875337218940694281434118520158014123344828015051399694290153483077644569099073152433278288269864602789864321139083506217095002597389863554277196742822248757586765752344220207573630569498825087968928162753848863396909959826280956121450994871701244516461260379029309120889086942028510640182154399457156805941872748998094254742173582401063677404595741785160829230135358081840096996372524230560855903700624271243416909004153690105933983835777939410970027753472000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
>>> 31!*2^(-32)
122529844256906551386796875/64
>>> (1+2i)*(3+4i)
-5+10i
>>> (1+2i)/(3+4i)
11/25+2/25i
>>> avg(1,22,3,4,5,6,7)
48/7
>>> 1*-3

  *
┌─┴─┐
1   -
  ┌─┴─┐
      3

-3
>>> 23+45*(23+3)+3*(3+(4*5)!)/6
2432902008176642389/2
>>> 2^64/9223372036854775807
2.0000000000

功能特性

  • 整数闭包的运算中, 计算过程不损失计算精度

  • 目前支持的运算:

    加, 减, 乘, 除, 阶乘, 百分, 括号, 整数指数的幂运算, 求和, 求平均
  • 支持变量

  • 支持大数运算

  • 仅依赖java.lang包, 不引入任何java SDK以及第三方类库

开发计划

  • CAS(Computer Algebra System)
  • 自定义函数

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Calculator. Use java language, Only use the most basic java grammar. Try to finish computer algebra system.

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