0
votes
0answers
64 views

Can $0^0$ be solved? [duplicate]

I noticed when attempting to solve $0^0$ on a calculator that it gave (for TI calculators) a 'ERR:DOMAIN' and Wolfram Alpha said it was indeterminate, though Google/Bing calculators give $1$ as an ...
3
votes
7answers
766 views

Why do I disagree with my calculator?

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 ...
3
votes
0answers
181 views

How does my $10\times10$ abacus work?

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 ...
2
votes
1answer
245 views

Negative × Negative = Positive… right?

The wife and I were doing homework together, and we noticed something really strange when charting quadratics with a TI-series graphing calculator: ...
0
votes
2answers
600 views

Do calculators have floating point error?

As a programmer, we have been told about floating points errors on computer. Do Calculators have floating point error too? Example. ...