Holger Seifert | 8. September 2022
How big is the area of a circle? Here you can rediscover the formula for the area of a circle: The circle is divided into equal-sized pieces of cake and these are then reassembled. What is the resulting formula? More information Advanced text
Holger Seifert | 8. September 2022
Proof without words: Twelve corners What is the area of a regular dodecagon? This seemingly difficult question has a very simple answer. With the help of this exhibit, you can discover them for yourself. More information Advanced text
Holger Seifert | 8. September 2022
My Birthday in Pi [latexpage] This exhibit once again focuses on the famous constant $\pi$: Does every sequence of digits occur in the decimal places of $\pi$? That is a known open problem. Here you can check your date of birth: Enter the six digits of your birthday into the computer programme. The computer calculates ... My Birthday in Pi
Holger Seifert | 8. September 2022
What is Pi? [latexpage] The constant $\pi$ (Pi) is defined as the quotient $p/d$ of the circumference $p$ and the diameter $d$ of any circle. Since ancient times, it has exerted a strong fascination on people. On this exhibit you can determine the approximate value of $\pi$ using a measuring tape. More information Advanced text
katy-schmitt | 4. August 2022
Proof Without Words: The Area of the Circle [latexpage] In a proof without words, an explanatory image or visual object is sufficient to convincingly justify a mathematical theorem. The exhibit illustrates the statement that the area of a circle is equal to half its circumference times its radius ($A=\frac{d}{2}\cdot r=\pi r\cdot r=\pi r^2$). Here $\pi$ ... Proof Without Words: The Area of the Circle
