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Valiance Backbone for CW - VBC
Valiance Backbone for CW - VBC Vs. Command-Line Calculator

Valiance Backbone for CW - VBC vs Command-Line Calculator使用状況と統計

This app. is Morse-code decoder, "Valiance Backbone for CW (VBC)" . The VBC is Morse-code decoder which can be used with built-in microphone of iPhone/iPod touch. The VBC is No.1 morse decoder in Japanese market[at 1.1.2014-1.31.2023]. Please use real transceiver sound. The VBC is able to decode with real-carrier-detection on world fastest FFT . This FFT is effective to avoid static electro-noise, voice, beep sound[square or trapezoid wave]. Please compare VBC’s FFT rate with a high-speed DSP of expensive transceiver and/or a FFT result of other decoding software. I guess Morse-code signal decoding ability exceeds expensive Morse-decoder machines and personal-computer's softwares. You might be able to use this app. in real Morse communication on HAM radio, especially calling operation. Let's try it! If it doesn’t work, let’s try default setting with real transceiver. This app. contains these functions like below. Morse sound recorder and player / text-log & audio-data mail sender / log time-stump and cancel-stump / connected Morse code distinction / tone zero-in/shift-in indicator / tone frequency measure(±5Hz) / sound level measure / Auto gain control /Audio frequency characteristic measurement & calibration /peak search / manual frequency (double tap on screen)/ auto-speed / manual speed (double tap on screen) / auto-level / auto threshold / manual threshold (double tap on screen) / noise rejection / carrier detect mode / Japanese-Morse-code /signal level slider button/ 5-40 wpm are available. If you want to know more, watch You tube. Real-DX video e.t.c. http://goo.gl/ALXAqH http://goo.gl/yEu3d1 http://goo.gl/7gp4yw This app is using kishikawa katsumi's PETextView for scrolling-problems on iOS8.* and after. SETextView Created by kishikawa katsumi on 2015/03/25. Copyright (c) 2013-2015 kishikawa katsumi. All rights reserved.

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Command-Line Calculator

Command-Line Calculator (CLCalculator) provides the most fluid interface, especially if you are performing chained calculations i.e. multiple calculations that rely on the results of previous calculations. By providing a command-line interface, CLCalculator allows you to easily enter and view the history of your calculations. You focus on your calculations instead of being intimidated by myriad of buttons on a traditional calculator interface! In addition to performing basic calculations, CLCalculator provides an array of features such as: - Assign and reuse variables - Complex numbers - Number bases i.e. binary, octal, hexadecimal - Constants e.g. e, pi - String manipulation - Matrices - Unit conversion: in-built and user-defined (create your own units!) - Functions: in-built and user-defined (create your own functions!) - Arithmetic functions e.g. fraction, square root, rounding off, ceiling, floor, logarithm - Algebra functions e.g. derivative, simplify symbolic expressions, solve linear equations - Bitwise functions e.g. bitwise and, not, or, left and right shift - Combinatorics functions e.g. Bell, Catalan, Stirling numbers - Geometry functions - Logical functions e.g. and, not, or, xor - Probability functions e.g. combinations, permutations, factorial - Relational functions - Set functions e.g. cartesian product, intersection, union - Statistics functions e.g. mean, median, mode, standard deviation, variance - Trigonometry functions e.g. sin, cos, tan, cot, sinh, acos - and much more! The app also comes with a comprehensive in-built help system with plenty of examples. CLCalculator is powered by math.js (https://mathjs.org/)