Summation Phone Cases - iPhone and Android

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

Description: A mathematical equation displayed in white text on a black background. It shows a summation symbol with limits i=0 at the bottom and 32 at the top. Following the summation is the number 210,000, a multiplication dot, and a fraction with 50 in the numerator and 2 to the power of i in the denominator.

Description: A cool design.

Description: A black background displays a mathematical equation in white text and symbols. The equation begins with an integral symbol from 'n' to 'f', followed by '1', a summation symbol, '(', 'x', '=', and a square root symbol over a summation symbol, followed by ',', '(', 'x', ')', ')'. The words 'Fourier transform' are displayed prominently at the top.

Description: A simple, bold graphic displays a mathematical equation. On the left, a summation symbol (Sigma) is shown above the word "index". To the right, an equals sign leads to the expression "A / limt", followed by "CO2800" with a superscript "0" that appears to be a squared symbol.

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: A monochrome composition displays a mathematical equation involving summation symbols, 'a squared x', and the text 'CUSTOM TAILORING' in bold, uppercase letters. The equation is presented in the upper portion, with the text below.

Description: A stark black background features white geometric shapes and mathematical equations. At the top, a large white circle sits above a white crescent shape. Below these, two equations are displayed: 'P = Summation from 2 to x of the square root of a subscript 2 plus 1 times v squared plus 0 squared' and 'Sigma equals 1 over the square root of 2 times negative 2 times the square root of 22'.

Description: A dark background with various mathematical symbols and text. Prominently displayed are the words "Puns fx" and "But MATH Rules". Mathematical symbols like pi, a plus sign, infinity, summation, and others are scattered around the text. The overall style is clean and minimalist.

Description: A white, bold text graphic on a black background. The top line features mathematical symbols and numbers: square root of -1, 3 squared, summation symbol, and pi. Below this, in parentheses, is the text "(and it was delicious)". The overall presentation is simple and stark.

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 mathematical equation presented in white text on a black background. The equation begins with a summation symbol from i=0 to 32, followed by an equals sign, then '210,000' multiplied by a fraction '50/2i'. The layout is centered and clear.

Description: A monochrome minimalist representation of a physics concept. The top displays a formula with a Greek letter phi, summation symbol, 'qd', 'dA', and '= 0?'. Below is the letter 'S' with a circle above and below it. A wireframe cube is centrally placed with arrows indicating flux entering and exiting its faces.

Description: A white line drawing depicts a person with a question mark above their head, scratching their head in confusion. To the right, complex mathematical equations involving summations and square roots are displayed in white text on a black background. The title reads "The math problem that The math problem that caused the breakdown."

Description: A circular purple emblem with a gradient border displays various mathematical concepts. It features a Venn diagram with circles labeled A, B, and C, a parabola representing y=ax²+bx+c, an integral of e^n, and a summation notation. An open white book is at the bottom.

Description: A stick figure stands with a confused expression and hand on head, surrounded by question marks. To the right, complex mathematical equations including an integral, summation, and limit are displayed prominently. The background is black, and all visual elements and text are white.

Description: A dark background features white mathematical equations and symbols arranged to resemble a clock face. Two white lines meet at a central point, forming clock hands. Equations like '(a+b)² = a² + 2ab + b²', 'lim sin x / x = 1', and 'sin(π/2) = 1' are present.

Description: A black background with white text and a white stick figure. The text at the top reads "COMPREHENSION GAP". Around the stick figure's head are several white question marks. To the right of the figure are complex mathematical equations with integrals, summation, and limits.

Description: A black background with white text that reads 'MATH ROCKS' at the top. In the center, a pile of grey rocks is depicted. Scattered around the rocks are various mathematical symbols and equations, including '∞', 'π', 'e=mc²', '%', 'x²+y²=z²', 'Σ', '1+1=2', and 'x²+y²=z²'.

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 conceptual visual displaying a Venn diagram with labels A, B, and C, overlapping a purple ornate background. Below is a Cartesian coordinate system with a green parabola. An open book filled with mathematical formulas and symbols forms the base of the composition. The text includes equations and symbols.

Description: A bold black background with the word "MECHANICAL" in white uppercase letters across the top. Below, the word "ENGINEER" is presented with the Greek letter Sigma, a vernier caliper, and stylized letters in various colors like orange, red, light blue, and teal. Decorative colored lines and wires are integrated into the composition.

Description: A white text-based composition featuring mathematical symbols and a humorous phrase. The upper portion displays 'i⁻¹ √2³ Σ'. Below this, it reads '(and it was delicious)' with a simple smiley face at the bottom. The style is clean and minimalist on a black background.

Description: A dense pattern of white mathematical symbols and equations set against a solid black background. The arrangement is grid-like, featuring a variety of characters including infinity symbols, division signs, percentages, equals signs, multiplications, variables like 'x' and 'b', Greek letters such as 'Gamma' and 'Phi', summation symbols, integrals, and exponents like 'x²', 't²', and 'f⁶'. The layout is uniform and repeating, creating a visually complex texture.

Description: A black background with white mathematical equations arranged in a circular pattern, resembling a clock face. A white line with a dot in the center extends from the top left to the bottom right, representing clock hands. Equations include "√144", "11!/10!", "tan(π/4)·10", "21/7·3", "e^ln 8", "14 mod 7+7", "sin(3π/2)+7", "5²-24", "log₂(4)", "15/5", "∫₀² 2x dx", and "∑(n+1)" from n=1.

Description: A black background with white mathematical equations arranged in a circular pattern resembling a clock face. White clock hands are positioned at the center. Equations include "x² + y² = z²", "lim (1/x)", "∫ e^x dx", "f(x) = mx + c", "d/dx sin(x)", "e^(iπ) + 1 = 0", "log10(100)", "2³ - 1", "√(16+2)", "(3+2)²", "√144", "Σ n/n!", and "π ≈ 3.14159".

Description: A graphic with a mathematical formula at the top, "f(x) = ∑ f(n)(a) / n!(x-a)n". Below the formula, in large block letters with a textured overlay, reads "TAYLOR SERIES" on the first line and "THE ERRORS TOUR" on the second line. The background is split between light grey and black.

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 bold, black background features the words "MECHANICAL ENGINEER" in large, white capital letters. The "M" is stylized as a summation symbol with red and white stripes. The letters "E" and "N" are incorporated with mechanical tools like pliers and what appears to be a caliper. The letter "E" at the end is replaced by a red syringe-like object with measurement markings.

Description: A circular composition filled with various mathematical equations, symbols, and graphs, including parabolas, Venn diagrams, and geometric shapes. Prominently displayed are equations like 'y=ax²+b+c', 'X=2²', and 'Σx'. Below this circular element is an open book with pages fanned out, suggesting knowledge and learning.

Description: A rectangular beige panel with rounded corners contains a mathematical equation 'dx = ∑f,x(x))' written in black script and sans-serif fonts. Below the panel, the words 'TAYLOR SERIES' and 'THE ERRORS TOUR' are displayed in large, distressed, dark blue block letters with a speckled texture.

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.

Description: A white outline text on a black background displays a mathematical equation. The equation reads 'YM(A) = ΣΔx.||F||² dvol.'. The text has a consistent white outline with a black fill, giving it a bold, blocky appearance.

Description: A stark black background features bold white text. On the left, a summation symbol (Sigma) is subscripted with '2'. This is followed by an equals sign. To the right, the name 'Schrödinger' is prominently displayed, with a subtle visual distortion on the letters 'i', 'n', and 'g'.

Description: A black rectangular plaque with a distressed white border. In the center, a mathematical formula for the Taylor series is displayed in white text. Below the plaque, in large, distressed blue capital letters, reads 'TAYLOR SERIES THE ERRORS TOUR'.

Description: A black background features three blue butterflies at the top. Below them, a row of five flowers in shades of yellow and orange are depicted with green stems and leaves. Underneath the flowers, three mathematical equations are displayed: "f(x) = ∫ n² / (x + b)² dx", "π = Σ (n - x/√y) / 2 from n=1", and "ȳ = 1 / x² + x²".