Template:Sequence of the Day for December 5

Intended for: December 5, 2012

Timetable

• First draft to be entered by Alonso del Arte on April 4, 2012 ✓
• Draft to be reviewed by October 5, 2012
• Draft to be approved by November 5, 2012

Yesterday's SOTD * Tomorrow's SOTD

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A197723: Decimal expansion of

3 π 2

.

4.71238898038...

Multiplying a number by

− i

(with

i

being the imaginary unit

2√   − 1

) is equivalent to rotating it by this amount on the complex plane, which as radians, works out to 270 ° or 300 gradians.