Summation Bags

Description: Must have for any Swiftie! In Summation lyrics on note paper from The Tortured Poets Department album

Description: A cool design.

Description: A white text-based emblem on a black background. The word 'EngiNERD' is spelled out using a combination of mathematical symbols and letters. The 'i' has a summation symbol above it, and the 'n' is stylized to resemble the Greek letter pi. The 'D' is formed by a portion of a protractor with measurement markings.

Description: This calculus skull is for every math major, physics student, and metalhead who loves dark academic humor. It channels the raw energy of advanced equations, derivative rules, and integration graphs, wrapped in a heavy metal attitude. Perfect for exam season, back-to-school, or any day you want to show off your mathematical rebellion. If you live for calculus and heavy riffs, this is your kind of emblem.

Description: A black background with white text and mathematical equations. The text reads "WHAT PART OF DON'T UNDERSTAND" in a curved layout. Various math formulas and graphs are displayed between the text, including E=mc², integrals, summations, parabolas, and waveform graphs.

Description: A bold graphic with large white text reading "MECHANICAL" above a red line and "ENGINEER" below it. The letter "E" in "ENGINEER" is replaced by a stylized caliper tool, with wires extending from its base. The caliper's jaws encompass a red sigma symbol.

Description: A logo-style graphic with mathematical symbols (Sigma, Pi) and text that reads 'g/engineer D', with a protractor integrated into the letter D.