Improve whole number addition and subtraction computation skills from simple to complex problems. Math facts exercises are included. Randomly generated problems are structured and worked out number by number as you would on paper. Generate printed worksheets that reinforce the on-screen activities. Multi-sensory approach using the Microsoft Agent character Peedy the parrot. Especially effective for the learning disabled and remediation.

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EJB Suite offering refined numerical procedures to either construct a function of one or two variables from a set of points (i.e. interpolate), or solve an equation of one variable. The interpolation procedures provided: Newton poly., Lagrange's formula, Burlisch-Stoer algorithm, Cubic splines (natural and free), Bicubic interpolation and procedures for find the interpolation functions coefficients. Solve using Newton-Raphson, Bisection,...

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This screen saver is based on an innovative extension of the Game of Life: two rival swarms of tiny critters wage a non-stop war for the screen space. The behavior of the living armies is highly amusing and unpredictable. The screen saver insensibly adds fresh forces to each army to enliven the show. You can change colors and forms of the critters, choose a speed, an intensity and a scenario of their battle.

TwelveKeys is an aid to assist musicians in learning and transcribing music recordings. It is able to accurately detect notes in both simple single instrument recordings as well as complex polyphonic compositions.

Random letter block will drop down to bottom step by step, just like the tetris game, use left and right arrow key to move the letter block, use space or down arrow key to accelerate block dropping. When the block drop to the bottom, the correct word(3-8 letters) will be moved, and the above blocks will drop to the bottom. The correct words will be listed in the box on the right. If the new letter block can't drop, game over.