tool1.js

本软件为绿色软件

var results='';var previouskey='';var re=/(\/|\*|\+|-)/;var re2=/(\/|\*|\+|-){2}$/;var re3=/.+(\/|\*|\+|-).+/;var re4=/\d|\./;var re5=/^[^\/\*\+].+\d$/;var re6=/\./;function calculate(n){if(n.match(re4)&&previouskey=="=")results='';if(result.innerText.match(re3)&&n.match(re)){if(!results.match(re5)){result.innerText="Error!";return}results=eval(results);if(results.toString().length>=12&&results.toString().match(re6))results=results.toString().substring(0,12);result.innerText=results}results+=n;if(results.match(re2))results=results.substring(0,results.length-2)+results.charAt(results.length-1);result.innerText=results}function calculateresult(){if(!results.match(re5)){result.innerText="Error!";return}results=eval(results);if(results.toString().length>=12&&results.toString().match(re6));results=results.toString().substring(0,12);result.innerText=results}function pn(){if(result.innerText.charAt(0)!='-')result.innerText=results='-'+result.innerText;else if(result.innerText.charAt(0)=='-')result.innerText=results=result.innerText*(-1)}function computer(n,m){if(n=="")return;try{text_32[m].value=eval(n)}catch(e){M("请输入正确的计算式子！")}}