240 Sodium and Potassium 
TABLE II. 
Comparison of Computation Errors. 
Parts. NaCl Computation error. 
Added. Found. Logarithms. 
Slide 
Logarithms. ae Foust vive 
12 inch place. place. 
pide 
= rule. . Lo Pa us 
218 piace. | place. | Six place | |E#) | 88 53 
mn as en cere ee emer 
8 2/0.102924 |0.1030 |0.1030 |0.10288 |0.102837 |0.16 0.16 0.04 
0.102338 |0.1028 |0.1025 |0.10233 |0.102263 |0.54/0.3/0.24/0.14 |0.07/0.06 
0.103862 |0.1034 |0.1036 |0.10370 |0.103623 |0.29 0.02 0.07 
pk \0.064012 0.0650 0 .06412/0.064155 ts 0.05 
0.064460 |0.0650 |0.06459/0 .064699 0.46|0.5|0.17/0.075 
0.064327 |0.06455/0 .06459/0 .064590 0.06 0.0 
4 | 6 |0.053420 10.0528 |0.05384/0 .053620 1 0 39-4 0.28 
0.052781 |0.0528 |0.05284/0 .052756 0.1 0: Lope 
3 | 7 |0.041203 10.0398 |0.04076)/0 .04082 2.4 1.62: Plo 98 
0.041070 |0.0405 |0.04061)/0.04078 0:72) Ore ae 
2 | 8 |0.0295559]0 .03138/0 .03038/0 .030209)0 .0302909]3 . 6 0.3 0,27 
0 .0292872/0 .02984|0 .02954|0 .029673/0 .0297518|0.3 |1.7/0.7 |0.58 |0.27/0.27 
0 .0294860]0 .03059/0 .03000/0 .030147|0.0302259)1 . 2 0.75 0.27 
