I followed the order of opperations but my answer disagrees with my calulator's. Problem: $331.91 - 1.03 - 19.90 + 150.00$ Calculator answer: $460.98$ My answer: $162.98$ Why the ...
How does this $10\times10$ abacus work? More specific: Counting: is it common to count from 1 to 100, or from 1 to 9.999.999? How does addition work? How does multiplication work? Are there any ...
The wife and I were doing homework together, and we noticed something really strange when charting quadratics with a TI-series graphing calculator: ...
As a programmer, we have been told about floating points errors on computer. Do Calculators have floating point error too? Example. ...