<p>hi everyone,</p><p><br></p><p>whats the difference between&nbsp;</p><table style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 13.3333px; line-height: inherit; font-family: sans-serif; border-collapse: collapse; border-spacing: 0px; background-color: rgb(244, 244, 244); width: 370px; height: 47px;"><tbody style="margin: 0px; padding: 0px; border: 0px; font: inherit;"><tr style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: top;"><td id="tzzrl_1_A4" class="Normal padding" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: bold; font-stretch: inherit; font-size: 1.08333rem; line-height: inherit; font-family: Arial, Helvetica, sans-serif; color: rgb(0, 157, 224); vertical-align: middle; outline: none; box-sizing: border-box;"><div id="zrl_1_A24" style="margin: 0px; padding: 0px; border: 0px; font: inherit; vertical-align: baseline;">Complete NLSA2 quantum analyzer with dedicated computer</div></td></tr></tbody></table><br>and<br><br>if you buy all separeted tools. its seem less expansive to buy all separated tools. no?<br><br>thank you