![]() The Calculator appeared first as a desk accessory in first version of Macintosh System for the 1984 Macintosh 128k. Apple currently ships a different application called Grapher.Ĭalculator has Reverse Polish notation support, and can also speak the buttons pressed and result returned. Though no higher math capability was included, third-party developers provided upgrades, and Apple released the Graphing Calculator application with the first PowerPC release (7.1.2) of the Mac OS, and it was a standard component through Mac OS 9. The Calculator program has a long history going back to the very beginning of the Macintosh platform, where a simple four-function calculator program was a standard desk accessory from the earliest system versions. Scientific mode supports exponents and trigonometric functions, and programmer mode gives the user access to more options related to computer programming. Basic includes a number pad, buttons for adding, subtracting, multiplying, and dividing, as well as memory keys. It has three modes: basic, scientific, and programmer. Thanks.Calculator is a basic calculator application made by Apple Inc. Please give me a feedback if this works for you. Just to add info, I have tried everything you can imagine, El Capitan fresh install, do all sort of configuration, disable energy options and etc. So we have to wait for Apple to fix it and I have been waiting for a long time and no solution yet! But it continues because there is a problem with 802.11n. When the driver crashes the only way to reset automatic is to restart the network interface and turn it on again, that's why the Mac do it, but when it returns the bug continues (it can't communicate to the router and no connection is made) and you have to turn Wi-Fi off and on. I am using 802.11g for a while now and no driver crash. You need to be using 802.11g, and see if your connection will drop. You can check what type of mode you are using holding ALT(option) and clicking on the Wi-Fi icon at the menubar (the same place as the clock), at the bottom you will see PHY Mode, and check there the mode you are connected if is 802.11n or 802.11g. if you have one two, before clicking the dropdown hold ALT(option) to show more options and select 802.11b/g only, if not look for this inside your router/access point. I have an Airport Express and inside the configuration for Wireless (Radio Mode) you can choose for 802.11n with 802.11b/g compatible and a lot of other options. I have tracked down the problem to be or kernel or driver implementation bug with 802.11n (the important info here is the "n"). I am also having Wi-Fi issues (for months) with MBP 2014 and I found a temporary solution to the problem. As far as I can tell it will use the Wifi to connect instead of Bluetooth (I could be wrong about this) ![]() We have a bunch of AppleTVs that still work fine with it disabled. I am going to caution you that these services may not work after disabling the awdl0 interface. This interface is used to create connections between Apple devices like MacBook to AppleTV or using AirDrop. You'll have to add something to a startup script or create a task that turns it off on bootup. If it does, please note that this fix will not remain between reboots. Try out your Wifi now and see if that helps. Try this first, open Terminal and type sudo ifconfig awdl0 down The two connections (your main wifi and awdl0) are interfering with each other and cancelling out. So it does something along the lines of creating a second wifi connection on the same channel. If you look around the net a lot of people are saying that it is causing wifi channel interference. The second speed test with it disabled would easily get double the bandwidth. It was easily testable by first having it enabled and doing a speed test, then disabling it and doing the same speed test. If the interface is disabled we had no issues with wifi. What we found was that if this interface was active we would have wifi dropouts and performance issues. I won't go into the details of how it works because there is a really good explainaition here. What I eventually found out is that OS X has created a virtual interface called awdl0 or Apple Wireless Direct Link. I had a fleet of MacBooks doing the same thing.
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