EZ Graphing Black Hard Slide Cover with built in rulers for TI 84 Plus， TI 84 Plus C Silver Edition， TI 89 Titanium (not for TI 84 Plus CE)<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"> (Note: will not fit TI 84 Plus CE) </span></li><li><span class="a-list-item"> 6 inch side ruler， 6 centimeter top ruler， XY axis template for quick axes， 12 Math functions </span></li><li><span class="a-list-item"> Perfect for students taking Geometry， Algebra， Trigonometry， Precalculus， Calculus </span></li><li><span class="a-list-item"> Made in the USA </span></li><li><span class="a-list-item"> Save $$$ by eliminating the need for graphing paper </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41zvFaN476L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41LvTwaPuTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ITmN1wlYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51AvDB5M-8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51egXSosV4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51vEoty1qQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ioJ%2BB2ylL.jpg" noproxy>