Abacus
945 + 831
1,776
39*7
273
3(√ 729) - ( √1,225)/7
76
X
10
What star is currently the north star?
Polaris
98*9
882
29*6
174
39*7.25*456 + - 6/8
128933.25
XXIV
24
What was the Japanese version of the Abacus?
The Soroban.
789*8
6,312
73*19
1,387
96,693,735*657/89*9
6424157921.97
MDL
1,550
What was the first name of Napier?
John.
431*7
3,017
893*45
40,185
6,797*967*483/89 - 35 + 53
35669833.9213
MMCCXIX
2,214
Where did the Abacus originate? Be specific.
The Greek Island of Salamis.
512/73
7 R1
946*304
287,584
572,857/5393/983-376/5
-75.0919406661
MMMDCCCLII + LIX
3,911
What is a popularly used celestial object used for navigation?
The sextant.