User:Rlk

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Not a lot here for now, visit my static page.

TO DO

  • Put a λ favicon on the Datoura pages.
  • Improve the NTP page: histogram plots.

Mitterer, Josef: Das Jenseits der Philosophie : Wider das dualistische Erkenntnisprinzip / Josef Mitterer (Edition Passagen ; 38) - 1992 PI.L Mit College 3c - Philosophie

Internal links

Wiki links

Rolands Lösung für MR_02 Rolands (noch unvollständige) Lösung für MR_03

External links

A number of links harvested from my inbox, should be organised better!

  • TeX users group

Electronics

Miscellaneous

Hewlett Packard Calculators

hp15c codes

from test_codes.dump, encoding to be corrected

T:      0.000000000+00
Z:      0.000000000+00
Y:      0.000000000+00
X:      2.000000000+00
LastX:  0.000000000+00
RI:     0.000000000+00
R0:     0.000000000+00
R1:     0.000000000+00
R2:     0.000000000+00
* f LBL 0                001-42,21, 0
* f LBL 1                002-42,21, 1
* f LBL 2                003-42,21, 2
* f LBL 3                004-42,21, 3
* f LBL 4                005-42,21, 4
* f LBL 5                006-42,21, 5
* f LBL 6                007-42,21, 6
* f LBL 7                008-42,21, 7
* f LBL 8                009-42,21, 8
* f LBL 9                010-42,21, 9
* f LBL A                011-42,21,11
* f LBL B                012-42,21,12
* f LBL C                013-42,21,13
* f LBL D                014-42,21,14
* f LBL E                015-42,21,15
 GTO 0                  016-   22  0
 GTO 1                  017-   22  1
 GTO 2                  018-   22  2
 GTO 3                  019-   22  3
 GTO 4                  020-   22  4
 GTO 5                  021-   22  5
 GTO 6                  022-   22  6
 GTO 7                  023-   22  7
 GTO 8                  024-   22  8
 GTO 9                  025-   22  9
 GTO A                  026-   22 11
 GTO B                  027-   22 12
 GTO C                  028-   22 13
 GTO D                  029-   22 14
 GTO E                  030-   22 15
 GSB 0                  031-   32  0
 GSB 1                  032-   32  1
 GSB 2                  033-   32  2
 GSB 3                  034-   32  3
 GSB 4                  035-   32  4
 GSB 5                  036-   32  5
 GSB 6                  037-   32  6
 GSB 7                  038-   32  7
 GSB 8                  039-   32  8
 GSB 9                  040-   32  9
 GSB A                  041-   32 11
 GSB B                  042-   32 12
 GSB C                  043-   32 13
 GSB D                  044-   32 14
 GSB E                  045-   32 15
 RCL 0                  046-   45  0
 RCL 1                  047-   45  1
 RCL 2                  048-   45  2
 RCL 3                  049-   45  3
 RCL 4                  050-   45  4
 RCL 5                  051-   45  5
 RCL 6                  052-   45  6
 RCL 7                  053-   45  7
 RCL 8                  054-   45  8
 RCL 9                  055-   45  9
 RCL A                  056-   45 11
 RCL B                  057-   45 12
 RCL C                  058-   45 13
 RCL D                  059-   45 14
 RCL E                  060-   45 15
 STO 0                  061-   44  0
 STO 1                  062-   44  1
 STO 2                  063-   44  2
 STO 3                  064-   44  3
 STO 4                  065-   44  4
 STO 5                  066-   44  5
 STO 6                  067-   44  6
 STO 7                  068-   44  7
 STO 8                  069-   44  8
 STO 9                  070-   44  9
 STO A                  071-   44 11
 STO B                  072-   44 12
 STO C                  073-   44 13
 STO D                  074-   44 14
 STO E                  075-   44 15
 RCL .0                 076-   45 .0
 RCL .1                 077-   45 .1
 RCL .2                 078-   45 .2
 RCL .3                 079-   45 .3
 RCL .4                 080-   45 .4
 RCL .5                 081-   45 .5
 RCL .6                 082-   45 .6
 RCL .7                 083-   45 .7
 RCL .8                 084-   45 .8
 RCL .9                 085-   45 .9
 RCL g A                086-   45 43
 RCL g B                087-   45 43
 RCL g C                088-   45 43
 RCL g D                089-   45 43
 RCL g E                090-   45 43
 STO .0                 091-   44 .0
 STO .1                 092-   44 .1
 STO .2                 093-   44 .2
 STO .3                 094-   44 .3
 STO .4                 095-   44 .4
 STO .5                 096-   44 .5
 STO .6                 097-   44 .6
 STO .7                 098-   44 .7
 STO .8                 099-   44 .8
 STO .9                 100-   44 .9
 STO g A                101-   44 43
 STO g B                102-   44 43
 STO g C                103-   44 43
 STO g D                104-   44 43
 STO g E                105-   44 43
 g TEST 0  x≠0?         106-43,30, 0
 g TEST 1  x>0?         107-43,30, 1
 g TEST 2  x<0?         108-43,30, 2
 g TEST 3  x≥0?         109-43,30, 3
 g TEST 4  x≤0?         110-43,30, 4
 g TEST 5  x=y?         111-43,30, 5
 g TEST 6  x≠y?         112-43,30, 6
 g TEST 7  x>y?         113-43,30, 7
 g TEST 8  x<y?         114-43,30, 8
 g TEST 9  x≥y?         115-43,30, 9
 RCL MATRIX A           116-45,16,11
 RCL MATRIX B           117-45,16,12
 RCL MATRIX C           118-45,16,13
 RCL MATRIX D           119-45,16,14
 RCL MATRIX E           120-45,16,15
 f x≷ 0                 121-42, 4, 0
 f x≷ (i)               122-42, 4,24
 f DSE 0                123-42, 5, 0
 f DSE (i)              124-42, 5,24
 f ISG 0                125-42, 6, 0
 f ISG (i)              126-42, 6,24
 RCL (i)                127-   45 24
 RCL I                  128-   45 25
 GTO I                  129-   22 25
 GSB I                  130-   32 25
 f RESULT A             131-42,26,11
 f RESULT B             132-42,26,12
 f RESULT C             133-42,26,13
 f RESULT D             134-42,26,14
 f RESULT E             135-42,26,15
 f x≷ 1                 136-42, 4, 1
 f x≷ I                 137-42, 4,25
 f DSE 1                138-42, 5, 1
 f DSE I                139-42, 5,25
 f ISG 1                140-42, 6, 1
 f ISG I                141-42, 6,25
 STO (i)                142-   44 24
 STO I                  143-   44 25
 f DIM (i)              144-42,23,24
 f DIM I                145-42,23,25
 f DIM A                146-42,23,11
 f DIM B                147-42,23,12
 f DIM C                148-42,23,13
 f DIM D                149-42,23,14
 f DIM E                150-42,23,15
 f ŷ,r                  151-   42 48
 f RAN#                 152-   42 36
 g CLx                  153-   43 45
 f FRAC                 154-   42 44
 f I                    155-   42 25
 f CLEAR REG            156-   42 33
 STO RESULT             157-   44 26
 RCL Σ                  158-   45 49
 RCL DIM (i)            159-45,23,24
 RCL DIM I              160-45,23,25
 RCL DIM A              161-45,23,11
 RCL DIM B              162-45,23,12
 RCL DIM C              163-45,23,13
 RCL DIM D              164-45,23,14
 RCL DIM E              165-45,23,15
 g s                    166-   43 48
 g LSTx                 167-   43 36
 g RTN                  168-   43 32
 g ABS                  169-   43 16
 g R↑                   170-   43 33
 g RND                  171-   43 34
 g π                    172-   43 16
 g SIN^-1               173-   43 23
 g COS^-1               174-   43 24
 g TAN^-1               175-   43 25
 g x^2                  176-   43 11
 g LN                   177-   43 12
 g LOG                  178-   43 13
 g %                    179-   43 14
 g Δ%                   180-   43 15
 .                      181-      48
 ENTER                  182-      36
 R/S                    183-      31
 CHS                    184-      16
 R↓                     185-      33
 x≷y                    186-      34
 EEX                    187-      26
 SIN                    188-      23
 COS                    189-      24
 TAN                    190-      25
 √x                     191-      11
 e^x                    192-      12
 10^x                   193-      13
 y^x                    194-      14
 1/x                    195-      15
 f x!                   196-   42  0
 f →R                   197-   42  1
 f →H.MS                198-   42  2
 f →RAD                 199-   42  3
 f HYP SIN              200-42,22,23
 f HYP COS              201-42,22,24
 f HYP TAN              202-42,22,25
 RCL RESULT             203-   45 26
 RCL RAN#               204-   45 36
 STO RAN#               205-   44 36
 f Py,x                 206-   42 40
 f Re≷Im                207-   42 30
 f PSE                  208-   42 31
 f CLEAR Σ              209-   42 32
 f L.R.                 210-   42 49
 g x̄                   211-   43  0
 g →P                   212-   43  1
 g →H                   213-   43  2
 g →DEG                 214-   43  3
 g HYP SIN^-1           215-43,22,23
 g HYP COS^-1           216-43,22,24
 g HYP TAN^-1           217-43,22,25
 g DEG                  218-   43  7
 g RAD                  219-   43  8
 g GRD                  220-   43  9
 g Cy,x                 221-   43 40
 g INT                  222-   43 44
 g x=0?                 223-   43 20
 g x≤y?                 224-   43 10
 g Σ-                   225-   43 49
 0                      226-       0
 1                      227-       1
 2                      228-       2
 3                      229-       3
 4                      230-       4
 5                      231-       5
 6                      232-       6
 7                      233-       7
 8                      234-       8
 9                      235-       9
 +                      236-      40
 -                      237-      30
 ×                      238-      20
 ÷                      239-      10
 Σ+                     240-      49
 RCL g (i)              241-45,43,24
 STO g (i)              242-44,43,24
 USER RCL A / USER      243u   45 11
 USER RCL B / USER      244u   45 12
 USER RCL C / USER      245u   45 13
 USER RCL D / USER      246u   45 14
 USER RCL E / USER      247u   45 15
 USER STO A / USER      248u   44 11
 USER STO B / USER      249u   44 12
 USER STO C / USER      250u   44 13
 USER STO D / USER      251u   44 14
 USER STO E / USER      252u   44 15
 USER RCL (i) / USER    253u   45 24
 USER STO (i) / USER    254u   44 24
 RCL + 0                255-45,40, 0
 RCL + A                256-45,40,11
 RCL + .0               257-45,40,.0
 RCL + (i)              258-45,40,24
 RCL + I                259-45,40,25
 RCL - 0                260-45,30, 0
 RCL - A                261-45,30,11
 RCL - .0               262-45,30,.0
 RCL - (i)              263-45,30,24
 RCL - I                264-45,30,25
 RCL × 0                265-45,20, 0
 RCL × A                266-45,20,11
 RCL × (i)              267-45,20,24
 RCL × I                268-45,20,25
 RCL ÷ 0                269-45,10, 0
 RCL ÷ A                270-45,10,11
 RCL ÷ (i)              271-45,10,24
 RCL ÷ I                272-45,10,25
 STO + 0                273-44,40, 0
 STO + A                274-44,40,11
 STO + .0               275-44,40,.0
 STO + (i)              276-44,40,24
 STO + I                277-44,40,25
 STO - 0                278-44,30, 0
 STO - A                279-44,30,11
 STO - (i)              280-44,30,24
 STO - I                281-44,30,25
 STO × 0                282-44,20, 0
 STO × A                283-44,20,11
 STO × (i)              284-44,20,24
 STO × I                285-44,20,25
 STO ÷ 0                286-44,10, 0
 STO ÷ A                287-44,10,11
 STO ÷ (i)              288-44,10,24
 STO ÷ I                289-44,10,25
 f SOLVE 0              290-42,10, 0
 f SOLVE A              291-42,10,11
 f SOLVE .0             292-42,10,.0
 f ∫ 0                  293-42,20, 0
 f ∫ A                  294-42,20,11
 f ∫ .0                 295-42,20,.0
 f x≷ 2                 296-42, 4, 2
 f x≷ A                 297-42, 4,11
 f x≷ .0                298-42, 4,.0
 f DSE 2                299-42, 5, 2
 f DSE A                300-42, 5,11
 f DSE .0               301-42, 5,.0
 f ISG 2                302-42, 6, 2
 f ISG A                303-42, 6,11
 f ISG .0               304-42, 6,.0
 * f LBL .0               305-42,21,.0
 GTO .0                 306-   22 .0
 GSB .0                 307-   32 .0
 g SF 0                 308-43, 4, 0
 g SF I                 309-43, 4,25
 g CF 0                 310-43, 5, 0
 g CF I                 311-43, 5,25
 g F? 0                 312-43, 6, 0
 g F? I                 313-43, 6,25
 f FIX 0                314-42, 7, 0
 f FIX I                315-42, 7,25
 f SCI 0                316-42, 8, 0
 f SCI I                317-42, 8,25
 f ENG 0                318-42, 9, 0
 f ENG I                319-42, 9,25
 f MATRIX 0             320-42,16, 0
 f MATRIX 1             321-42,16, 1
 f MATRIX 2             322-42,16, 2
 f MATRIX 3             323-42,16, 3
 f MATRIX 4             324-42,16, 4
 f MATRIX 5             325-42,16, 5
 f MATRIX 6             326-42,16, 6
 f MATRIX 7             327-42,16, 7
 f MATRIX 8             328-42,16, 8
 f MATRIX 9             329-42,16, 9
 STO MATRIX A           330-44,16,11
 STO MATRIX B           331-44,16,12
 STO MATRIX C           332-44,16,13
 STO MATRIX D           333-44,16,14
 STO MATRIX E           334-44,16,15

Ancient Unix

  • V6 Manuals [1]
  • PDP-11 Emulator in Javascript [2]

Some hints from the TUHS mailing list Because browsers are weird, here is some of the keycommands... DEL is the interrupt key (^C on modern *nix), Pause the quit key (^\ or ^L) and PrtScr is EOF (^D).

  • courseware for the lecture Operating Systems at the Berufsakademie Stuttgart [3]
  • Bringing up V6 Unix on the Ersatz-11 PDP-11 Emulator [4]
  • Selected source code listings [5] for
  • A Commentary on the Unix Operating System, by John Lions [6]

Formatting

Demonstrate text styles: italic, bold and bold italic.

Ampersands are allowed: &, and so are other characters that need to be escaped in HTML: <>.

HTML formatting: Bold

Italic

Underline

Strike out

Colored Red, Green, Blue, ...

typewriter font

Strong

Formatting a whole span, e.g. with small font

Use superscripts and subscripts especially useful for simple formulas

Invisible comments that only appear while editing the page: (not visible on this page now!)

What about Umlauts? "äöüÄÖÜß" should be ae oe ue AE OE UE and sharp s.

Is this '€' an (ISO-8859-15 encoded) Euro sign? See the horizontal line below?


And some mathematics: \int_{-\infty}^{\infty} e^{-x^2}\,dx = (-1/2)! = \Gamma(1/2) = \sqrt{\pi}.

Table example.

PEER IP Address Name Location delay (min/avg/max)[ms]
1 194.88.212.200 eth0-0.yuffie.projectdream.org Switzerland 20.3/20.9/21.3
2 204.9.53.11 eu.ntp.your.org Illinois 4.9/4.9/5.1
3 80.239.2.146 mail01.tjgroup.no Norway 29.3/29.9/31.6

A silly code example (some Scheme I needed at the time I wrote this into another wiki).

(call-with-input-file "code.txt"
  (lambda (port)
    (do ((i 0 (+ i 1))
         (c (read port) (read port)))
        ((>= i *code-length*))
      (display (list i c))
      (newline) )))

Note that the leading spaces automatically produce a display in typewriter font.

HMPQS

The Hypercube Multiple Polynomial Quadratic Sieve (HMPQS) is an algorithm for the factorisation of large (up to about 110 digits, where the Number Field Sieve (NFS) algorithms become more efficient) integers. Uli Meyer has written an implementation in Common Lisp.

 MD5 and SHA256 sums
47e324898e65b588c6b7a0e2ff3a5318  HMPQS_for_Dummies.pdf
7c8ed738852e02197f3621245c01b038  ulimyhmpqs.lisp
41be39320482bc48585a1fc6ec69b673  ulimyhmpqs1.gp
102e83cb4db75f03d803924b53f4bb82  ulimyhmpqs1.png
0fa26b0986d10772ba91a420a6bf33be535a44bc8501faffdb7c4f802c9a6799  HMPQS_for_Dummies.pdf
0b55ded9c7b8755ec7539a2941b38369da0212530d0cf6126f3e9edea48b5b21  ulimyhmpqs.lisp
af1b16176a23dd0ca9e9cb84af481265a5e79d46c3b36924cbcf1e658171e7ac  ulimyhmpqs1.gp
f4e85c623ffa43efcd4bdb1d42b1970360dfd598e63cfd90070cd856aa25d4ac  ulimyhmpqs1.png