Machine Code Fast Fourier Transform

This complete package includes 3 versions of the machine language FFTASM routine assembled for 16. 32. and 48K machines, a short sample Basic program to access them, a 10K Basic program which includes sophisticated interactive graphing and data manipulation, and a manual of instructions and examples The machine language subroutines use variables defined by a supporting Basic program to make data entry and retrieval extremely fast and easy for custom implementation They perform 20 to 40 times faster than their Basic equivalent (256 points m 12 5 seconds), and require less than 1550 bytes of memory The FFT is useful in analyzing stock market and comodity trends as well as for scientific information FFTASM $49.95

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