Calculated Industries 4080 Construction Master Pro Trig Calculator<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Advanced construction-math Feet-Inch-Fraction calculator with full trigonometric functions </span></li><li><span class="a-list-item"> This product is easy to use easy to install and highly durable </span></li><li><span class="a-list-item"> Item is manufactured in China </span></li><li><span class="a-list-item"> Work in and convert between any building dimension， including metric </span></li><li><span class="a-list-item"> Full trigonometric functions </span></li><li><span class="a-list-item"> Find weight per volume built-in right-angle functions </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51OoXLWTD3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51P3WANUMDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51t4erolQqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41E8Gt6DkGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41bPnQ%2B6u%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/81pwIR6wuIS.png" noproxy>