Function Phone Cases - iPhone and Android

Description: A dark background with green and red text displaying lines that resemble code. The text reads 'start NEW DAY', 'function (WAKE UP)', 'ERROR', 'PANIC', and other program-like statements. The overall style mimics a computer console or error log.

Description: Colorful school-themed design highlighting important developmental skills including problem solving, curiosity, self regulation, creativity, sharing, communication, motor skills, and executive function. Featuring cute classroom characters, school supplies, and cheerful educational graphics, this design is perfect for teachers, preschool educators, kindergarten classrooms, special education staff, therapists, students, and Back To School celebrations.

Description: I Know. I Just Can't Start. — an ADHD task paralysis shirt with the sentence stacked in bold, worn black capitals. For the gap between knowing exactly what to do and actually beginning it. No advice, no fixing — just the sentence, said plainly by someone who has stood there too.

Description: A cartoon drawing of a man in a blue uniform and hat, holding a red and yellow flag. He has patches on his overalls and a speech bubble above him saying "WHAT'S YOUR FUNCTION?". The text "CONJUNCTION JUNCTION" is in yellow behind him. A "SCHOOL HOUSE ROCK!" logo is in the bottom right corner.

Description: A cartoon train conductor in blue overalls and a blue hat holds a yellow lantern with a red base. A red bandana is around his neck. A speech bubble above says "WHAT'S YOUR FUNCTION?". The style is playful and cartoony with thick outlines and solid colors against a black background.

Description: Set of complex numbers.

Description: A flat, stylized drawing of a train conductor in a blue uniform and hat, holding a red lantern with a bright yellow flame. The conductor stands on railroad tracks. Below the conductor, large yellow text reads 'What's Your Function?'. The background is black.

Description: This awesome, stylish shirt features a graph of periodic trigonometric functions and the words "I Can't Function Without Math". Perfect Tshirt for mathematicians, students of trigonometry, algebra, calculus, math lovers, and math teachers or educators. Are you into Math and Science? Makes a great gift for any mathematician, geek, nerd, tech lover, college student, teacher, or back to school. Funny math pun shirt that includes a graph of periodic trigonometric functions and a clever, sarcastic pun.

Description: A cartoon character resembling a railway worker in blue overalls, a white shirt, a blue cap, and a red scarf holds a lantern. Above the character, a speech bubble contains the text "WHAT'S YOUR FUNCTION?". The words "CONJUNCTION JUNCTION" arch above the scene, and "SCHOOL HOUSE ROCK!" is positioned below.

Description: A dark background displays lines of code in a programming language. The text includes 'function (Cain) {', 'repeat {', 'ar.lost()', 'po .renot()', 'pr. log;+:)', and closing curly braces. The word 'function' is yellow and 'repeat' is orange.

Description: A cartoon of a portly individual dressed as a train conductor, wearing a light blue cap with stripes, round glasses, a red kerchief, and light blue overalls. The conductor holds a lit oil lantern in their right hand. Below the figure, the text "What's Your Function?" is displayed in yellow block letters.

Description: My brain does not function is a funny stupid joke for anyone who's clueless more often than not and happy to admit it. Great as a funny gift for coworkers, friends, or family who enjoy self deprecating humor and jokes about being stupid.

Description: A modern architectural logo featuring a row of abstract geometric house forms with a sophisticated minimalist look. The Form & Function Publishing House design combines architecture, structure, creativity, and publishing into a clean contemporary graphic. Great for architects, designers, writers, publishers, book lovers, and fans of modern geometric design.

Description: A cartoon train conductor with a red bandana, blue overalls, and a blue striped cap holds a red lantern. He wears glasses and has a puffed-out cheeks expression. The text "What's Your Function?" is present at the bottom.

Description: A dark background displays code lines with text in white, blue, and green. Keywords like 'function', 'import', 'export', and 'return' are visible. Some lines include parentheses, braces, and semicolons, typical of programming syntax.

Description: A black background displays code in a programming language. The text "function repeat() {" is in yellow and orange. Below, "eat();", "sleep();", "code();", and "repeat();" are in white. A closing brace "}" and another "repeat();" are also present in white.

Description: I’m 1 + Tan 2 C And I Know It New – Funny Secant Function Math Pun

Description: A cartoon-style train conductor with a blue cap and overalls, holding a red lantern. The conductor has a red bandana around their neck and rosy cheeks. Below the character, the text "WHAT'S YOUR FUNCTION?" is displayed in bold white letters.

Description: A cartoon character dressed as a train conductor stands holding a lantern. The character wears a blue uniform with overalls, a red bandana, and a blue conductor's hat. A speech bubble above the character reads "WHAT'S YOUR FUNCTION?".

Description: A cheerful cartoon train conductor with a blue cap and overalls, holding a toy train. He has glasses and a red scarf. Above him, large yellow text reads 'CONJUNCTION JUNCTION'. To his right, a speech bubble says 'WHAT'S YOUR FUNCTION?'. A yellow square with 'SCHOOL HOUSE ROCK!' is also present. The background is black.

Description: Too Peaceful To Function - International Day of Peace

Description: A dark background displays lines of code with syntax highlighting. It includes function definitions like 'func main()' and 'func result(i, 3)', a 'for' loop, variable assignments 'let result = process(i)', and data initialization 'data = [1, 2, 3]'. Conditional statements 'if result > threshold' are also present, along with placeholders for function bodies.

Description: Show support for neurodiversity and mental health awareness with "ADHD Is My Superpower" design. Perfect for ADHD individuals and advocates.

Description: Heart and brain, brain function, right brain function, left brain function, love anatomy, cardiac physiology, heart function, ventricle

Description: I have plans. Somewhere. Miso is fast asleep under a witch hat, and the big plan to go haunt the graveyard is happening entirely in her dream. A small dry joke for anyone whose intentions are real and whose follow-through is taking a nap.

Description: When summer turns your bedroom into an oven and getting out of bed is no longer an option. This funny “Please Lower the Sun” design features an exhausted man sinking into his mattress during an unbearably hot day. Perfect for heat-wave survivors, summer complainers, Arizona residents, and anyone who believes the sun needs a dimmer switch.

Description: A highly confident and sharp professional standard that establishes the perfect fusion of utility and aesthetics as the ultimate law of design. It is an exceptional piece for independent creators and studio veterans who command their project spaces with absolute authority—making it crystal clear that while ordinary individuals waste time arguing whether a layout should be strictly practical or purely decorative, your mind operates in a premium, high-octane matrix where structural physics and visual masterwork effortlessly merge into a single, flawless reality.

Description: A retro-style depiction featuring the text "CONJUNCTION JUNCTION WHAT'S YOUR FUNCTION?" above a character in blue overalls, a red scarf, and a blue cap, holding a lantern. The phrase "SCHOOL HOUSE ROCK!" is in a circular emblem. The overall style is reminiscent of educational programming.

Description: Euler gamma function, a famous function generalizing the notion of factorial for natural numbers, and of great use in solving some kind differential equations.

Description: A silly take on public flatulence and over-the-top reactions.

Description: ADHD Is My Superpower for neurodivergent individuals and allies promoting ADHD awareness and brain acceptance.

Description: A circular spiral pattern of blue circles containing various mathematical graphs and equations. The text 'Linear Function Graph' is at the bottom, and 'same graph in the physics equation' curves around the top. Many circles contain the text 'in math' alongside different line and curve graphs.

Description: Lgbtq+

Description: I’m 1 + Tan 2 C And I Know It New – Funny Secant Function Math Pun

Description: A dark background with lines of code. The text "function repeat {" is at the top in orange and white. Below it, indented lines show "== eat()", "== sleep()", "== code()", and "==_repeat();" in white. Curly braces and semicolons complete the code lines.

Description: A cartoon character in blue overalls and a hat holds a lantern. A speech bubble above reads "WHAT'S YOUR FUNCTION?". The top text says "CONJUNCTION JUNCTION" and the bottom right has a sign saying "SCHOOL HOUSE ROCK!".