If you’re looking for a full graphing calculator alternative to give your TI-84 a rest, you can try Graphing Calculator on Android or Free Graphing Calculator on iOS. You asked about apps though, and you can definitely find some that try to replicate what scientific calculators can do, so we’ll give you some to try. Having said that, you may be able to replace the functions you need by using one or more apps, and don’t forget you also have access to the internet where you can use resources like Wolfram Alpha.ĭon’t forget you also have access to the internet where you can use resources like Wolfram Alpha. Scientific calculators are surprisingly complex and even though your phone can perform all the same functions, not many companies want to release a 99 cent app that will make their $100+ calculators obsolete, and not many individuals want to spend hours and hours working on a complex calculator that only a few people need and they won’t be able to sell for a lot of money. Jeff, there are some graphing and scientific calculator apps for your phone, but it’s likely they none of them will be able to fully replace your scientific calculator. Do you have any suggestions or maybe an app store where we might find these kinds of apps so that we can continue to use our favorite calculators, but on our smartphone?
It’s hard to find an app for a phone that replicates the true scientific calculators of yesterday. Jeff in Palestine, Texas listens on KNET 1450 AM and asked: I was wondering, there’s lots of us out there who use scientific calculators. Hundreds of millions of these tubes, CRT in short, became the core display of television sets for about a hundred years and was the star of IFA for decades. He had no idea that he had created the basis of a future mass medium. In 1897 the German engineer Ferdinand Braun invented the cathode ray tube. The Nipkow disc, patented in 1884, became the basis of all future television technologies.
Already in 1883, Paul Nipkow, a German engineer, developed the basic idea of a disc with tiny holes which could break a picture into several pieces. Chris brought us back in IFA History with the precursor to television: Transmitting pictures is a very old dream of engineers.
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