This program help you remember great volume of text information using 25th frame effect. Use possibilities of your subconsciousness. First of all open Unicode text file (for example open "1000_most_common_words_eng_rus.txt", it is simple english-russian dictionary of 1000 most common words). Then push Start/Pause button. Other functions you can try and see using all other controls. Microsoft NET Framework 2.0 must be installed.

Complex Calculator Precision 27 for scientists, engineers, teachers, and students. Calculates mathematical formulas of any length and complexity. Calculation history can be stored into text file or printed. There are ten variables or constants available for storing often used numbers. Common Constants and User Constants lists. Precision of calculations is 27 digits. Trigonometric, hyperbolic and inverse functions.

A handy, fast, reliable, precise tool if you need to find symbolic and numerical derivatives of standard functions. The calculator calculates derivatives of high orders of standard functions (except hyperbolic). Calculation history can be stored into text file or printed. Numerical coefficients and values are calculated with precision 14-16 digits.

A handy, fast, reliable, precise tool if you need to find symbolic and numerical derivatives of standard functions. The calculator calculates derivatives of high orders of standard functions (including hyperbolic). Calculation history can be stored into text file or printed. Numerical coefficients and values are calculated with precision 14-16 digits.

A handy, fast, reliable, precise tool if you need to find symbolic and numerical derivatives of standard functions. The calculator calculates derivatives of high orders of standard functions (including hyperbolic). Calculation history can be stored into text file or printed. Numerical coefficients and values are calculated with precision 27-36 digits.

A handy, fast, reliable, precise tool if you need to find symbolic and numerical derivatives of standard functions. The calculator calculates derivatives of high orders of standard functions (including hyperbolic). Calculation history can be stored into text file or printed. Numerical coefficients and values are calculated with precision 36-45 digits.

A handy, fast, reliable, precise tool if you need to find symbolic and numerical derivatives of standard functions. The calculator calculates derivatives of high orders of standard functions (including hyperbolic). Calculation history can be stored into text file or printed. Numerical coefficients and values are calculated with precision 45-54 digits.

This calculator calculates double integrals of large variety of functions by tanh-sinh quadrature scheme. Numerical values are calculated with precision 15-16 digits. All calculation results are reflected in History rich-text-box, which can be saved in file or printed.

This is metronome program like digital hardware metronome for musicians. Anything superfluous. Sound card must be installed on your PC. All best musicians are engaged under a metronome for development or ability maintenance exactly to play up to the mark. A standard scale of rate.

This is guitar chord help system. More than 600 chord tabs, 37 chord types, 1122 chord letter-and-numeric names (for example Am) in this version. It is useful for beginners and advanced guitarist. Author is professional guitarist (since 1980). OS Windows XP/2000/2003.