Imaginary Unit Pins and Buttons
Description: A diagram illustrating Euler's formula (e^iφ = cos φ + i sin φ) on a complex plane with a unit circle. It shows the real (Re) and imaginary (Im) axes, a point P on the circle, and the angle φ, with labels '0', 'cos φ', and 'sin φ'. Below the diagram is Euler's identity: e^(iπ) + 1 = 0.
Euler's Formula With Unit Circle And Euler's Identity Pin
by GIBSON GIGS NEW ART
$2.75 $3.25
Description: A mathematical equation displaying the square root of -4 equal to 2i in bold, white, 3D lettering against a black background. Below the equation, the text 'It's all fun and games until someone loses an i.' is also displayed in white 3D lettering.
Square Root of Negative Four Equals Two i Funny Math Quote Pin
by Spectrum StudioArt
$2.75 $3.25
Description: A mathematical equation displayed in a creamy, light color against a black background. The equation reads "√-1 = i (1 – sin θ) / (0 ≤ θ ≤ 2π)", followed by the Greek letter Pi (π). The font is serif and classic.
Square root of -1 equals i times 1 minus sine theta over 0 to 2 pi Pi Pin
by Spectrum StudioArt
$2.75 $3.25
Description: A complex plane diagram showing the real and imaginary axes with a unit circle. Text labels indicate 'Re', 'Im', 'cos 0', 'sin 0', '1', '0', 'σ', and 'i'. An equation 'e^(iπ) + 1 = 0' is displayed prominently below the diagram, and another equation 'e^(iπ) – cos 0 + i sin 0' is at the top. The style is monochrome and geometric.
Euler's Identity e^(iπ) + 1 = 0 with Complex Plane Diagram Pin
by maniacstudio
$2.75 $3.25