![](/fileadmin/_processed_/2/2/csm_Vier_Kreise_b7d1344f9c.jpg)
Vier-Kreise-Satz von René Descartes – weitere Beispiele
Der Beitrag behandelt den sogenannten Vier-Kreise-Satz von Descartes unter Nutzung des TI-Nspire™ CX II-T CAS.
Publisher: T³ Deutschland
Author: Hubert Langlotz, Wilfried Zappe
Topic: Mathematics
![](/fileadmin/_processed_/3/d/csm_Unders%C3%B6ka_cirkeln_och_dess_ekvation_BILD_b4c6ed3da0.png)
Undersöka cirkeln och dess ekvation | TI-84 Plus CE-T
Kurs 3 - Fördjupning till enhetscirkeln.
Publisher: Texas Instruments Sverige | Education Technology, TI Sweden
Topic: Mathematics
![](/fileadmin/_processed_/8/4/csm_Insektsvandring_bild_d5688a13f1.jpg)
Ma 4 och 5 | Diskret matematik | I denna aktivitet finns två problem om insekter som vandrar i koordinatplanet längs räta linjer och längs periferin på en cirkel.
Author: Texas Instruments Sverige | Education Technology
Topic: Mathematics
![08282010 Image004](/fileadmin/_processed_/5/3/csm_08282010Image004_eb98bd1789.jpg)
Encourages a systematic approach when searching for solutions. (Works well with TI-Nspire Navigator)
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Andy Kemp
Topic: Mathematics
![S1](/fileadmin/_processed_/e/e/csm_s1_5273acaeab.jpg)
Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Allan Duncan
Topic: Mathematics
![09232010 Image002](/fileadmin/_processed_/2/d/csm_09232010Image002_90a52ee7a3.jpg)
Derive the formulae for the circumference and area of a circle using multiple representations.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Allan Duncan
Topic: Mathematics
![Centres1](/fileadmin/_processed_/8/4/csm_Centres1_dae95c8bc9.jpg)
Construct some of the centres of a triangle and investigate relationships between them, discovering the Euler Line
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Topic: Mathematics