Free Software Programs
Free High Precision Complex Calculator
This programmable calculator does real or complex number calculations with 100 significant figure precision. Many standard functions such as trig, hyperbolic, logarithms and base conversions are included. Loops are supported. Both expressions and results can be saved to a file.
Requires a PC with Windows 95/NT, or higher.
More information and download page
LOOK
LOOK is a program for digital signal analysis and graphical display. It also performs some digital signal processing functions and can save the results to a disk file. Input is from data files stored on disk or signals generated within the program.
Requires a PC with Windows 95/NT, or higher.
More information and download page
Free Dual-tone multi-frequency (DTMF) decoder/detector. Displays the numbers corresponding to Touch-Tone signals from a telephone.
Great for testing phones and checking if you have programmed the memory buttons correctly.
License: © 2007 Cliff Leitch.
Free for personal or educational use. All other rights reserved.
This program is offered “as is” without warranty of any kind. Registration is not required.
No spyware or other hidden programs!
Download program: DTMF_Decoder.exe (352 KB)
Download test file: DTMF_Decoder.wav (38 KB) (Produces output "123456789*0#")
View fortran source code: DTMF_Decoder.txt (12 KB)
Sorry, no support or help is available, but please use the Contact Form to send any comments or "bug" reports.
Sound Card Function Generator
This program uses your PC's sound card to generate sine waves, square waves, triangle waves, impulse trains and frequency sweep signals.
Requires a PC with Windows 95/NT or higher, stereo sound card.
License: © 2006 Cliff Leitch.
Free for personal or educational use. All other rights reserved.
This program is offered “as is” without warranty of any kind. Registration is not required.
No spyware or other hidden programs!
Sorry, no support or help is available, but please use the Contact Form to send any comments or "bug" reports.
CV-Schedule ("Church Volunteer Scheduler") is a PC program for automatically scheduling the volunteers who help at Church. It is typically used to make service schedules for Ushers, Greeters, Choir, Organist, Musicians, Eucharistic Ministers, Lectors or Readers, Altar Servers, Offertory Family, Nursery Attendants, and any other Ministries that are needed at Church Service or Mass.
