function scinotationMain(){w=360;h=150;engQ=false;var id="scinotation";s="";s+='

';s+='';s+='

Enter Number:

';s+='';s+='

Scientific Notation:

';s+='

';s+='

© 2015 MathsIsFun.com v 0.85

';s+='

';document.write(s);examples=[12.34,0.0067,5326.6,-1000,5,50,500,5000,"0.9","0.09","0.009","8000001"];exampleNo=0;num2sci();} function engToggle(){engQ=!engQ;if(engQ){}} function numExample(){example=examples[exampleNo];exampleNo++;if(exampleNo>examples.length-1)exampleNo=0;document.getElementById("number").value=example;num2sci();} function num2sci(){var val=document.getElementById("number").value;var negQ=false;if(val.charAt(0)=="-"){val=val.substr(1);negQ=true;} val=val.replace(/^0+(?!\.|$)/,"");val=val.replace(/[a-z]/gi,"");var newVal=val;if(negQ)newVal="-"+val;document.getElementById("number").value=newVal;val=val.replace(/\s/g,"");val=val.replace(/,/g,"");if(isNaN(val)||val.length==0){s="?";}else{var bits=val.split(".");var decPos=bits[0].length;var sci=bits.join("");if(bits[0]==""){bits[0]="0";} if(bits[0]=="0"){if(bits.length>1){var temp=bits[1];decPos=0;while(temp.charAt(0)=="0"){temp=temp.substr(1);decPos--;} sci=temp;}else{sci="0";}} var newDec=1;if(engQ){var engDec=Math.floor((decPos-1)/3)*3;var addDec=engDec-decPos+1;newDec-=addDec;decPos+=addDec;while(sci.length"+(decPos-1)+"";s=sci;if(negQ)s="−"+s;} document.getElementById("ans").innerHTML=s;}