Re: calculate not in the decimalsystem
- To: mathgroup at smc.vnet.net
- Subject: [mg8436] Re: [mg8374] calculate not in the decimalsystem
- From: "Benjamin R. Tubb" <brtubb at cybertron.com>
- Date: Sat, 30 Aug 1997 00:42:45 -0400
- Sender: owner-wri-mathgroup at wolfram.com
Bernhard Eckert wrote: > Is it possible to tell mathematica to calculate 2+4 not in the Decimals= ystem > but in the 3 System? --- In:=3DBaseForm[2+4,3] Out//BaseForm=3D 20 3 In:=3D3^^20 Out=3D6 --- The function BaseForm is found in the v3.0 Help Browser under Built-in Functions/Number Formatting/BaseForm ---- BaseForm[expr, n] prints with the numbers in expr given in base n.=20 The maximum allowed base is 36. For bases larger than 10, additional digi= ts are chosen from the letters a=96z.=20 You can enter a number in an arbitrary base using base^^digits.=20 When a number in an arbitrary base is given in scientific notation, the exponent is still given in base 10.=20 You can mix BaseForm with NumberForm and related functions.=20 BaseForm acts as a "wrapper", which affects printing, but not evaluation.= =20 See the Mathematica book: Section 2.8.7 and=A0Section 3.1.3. [i.e. book's= 3rd Edition for v3.0] See also: IntegerDigits, RealDigits.=20 Benjamin Tubb brtubb at cybertron.com http://www.cybertron.com/~brtubb "Music creates order out of chaos; for rhythm imposes unanimity upon the divergent, melody imposes continuity upon the disjoin- ted, and harmony imposes compatibility upon the incongruous." - Yehudi Menuhin, from "Theme and Variations"