Analysis of the table of sevenths from C.G. 25.368.
Page created: February 6, 2003
Last Modified: October 9, 2004 as per H. Vymazalova
Presented by Bruce C. Friedman

The Sevenths table has some serious errors and occurs four times on these tablets!

The most serious and obvious errors in lines 5 and 6 on this table represent the

worst of this type found on tables on either of the Achmim tablets.


Line One [MISSING FROM MY IMAGE] read as:
7   1
1 [of sevens] is seven.

Line Two read as:
70  10
10 [sevens] is seventy.

Line Three read as:
140  20
20 [sevens] is 140.

Line Four read as:
280  40
40 [sevens] is 280.

Line Five read as:
12*  2
2 [sevens] is TWELVE!
This error is extremely odd [2 x 7 = 14] and is compounded further in the next line.

Line Six read as:
24*  4
4 [sevens] is TWENTY-FOUR!
This error is extremely odd [4 x 7 = 28].

Line Seven read as:
1     /7
1/7 is one [seventh of one].

Line Eight read as:
4  /14  /2
One half and one fourteenth is four [sevenths of one].

Line Nine read as:
/14 /7  /2   /64   /8   1

/8 + /64 + [(/2 + /7+ /14)*(1 ro)] = /7 hk3t = correct!
40 + 5 + 10/14 ro = 45 5/7 ro

45 5/7 * 7 = 320 ro = 1 hk3t

 

Line Ten read as:

/28 /7 /4 1 ro /32 /4 2

/4 + /32 + 1 ro + [(/4 + /7+ /28)*(1 ro)] = 2/7 hk3t = correct!
80 + 10 + 1 + 12/28 ro = 91 3/7 ro

91 3/7 * 7 = 637 + 3 = 640 ro = 2 hk3t

 

Line Eleven read as:

[/28 - missing from image] /14 /4 /2  2 ro   /16   /2   4

/2 + /16 + 2 ro + {(/2 + /4+ /14 + /28)*(1 ro)} = 4/7 hk3t = correct!
160 + 20 + 2 + 24/28 ro = 182 6/7 ro

182 6/7 * 7 = 1274 + 6 = 1280 ro = 4 hk3t

Despite the unresolved errors in lines five and six, the scribe correctly copied/determined the complex workings of the more difficult lines.

GUIDE
THIRTEENS!

See an image of the table of SEVENTHS.

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