ABC Rotating Numbers and Dzen 006
If you have entered the right amount you will see a green light. If not, you will see a red light and you can enter a new number. Stay with the activity. If you get a red light, look again and select another number. Then let it go, and start looking for the next set of numbers. Just keep noticing.
You may find that the less you move your eyes the more effective you become.
The GSA Image Analyser is a program to analyse 2D Images of any kind. It can recognize and count objects in an image or also calculate the distance areas in it. The images can be imported from many sources (file, scanner, microscope, cam).
Scientific Calculator Precision 90 for scientists, engineers, teachers, and students. Calculates mathematical formulas of any length and complexity.
Electronic analogical & digital simulation. Schema capture, simulator, results graphical editing, optimization. Native models of transformers, diodes, transistors, delay lines, filters, stimulus, gates, flip-flop, display. Library of components.
Scientific Calculator Precision 81 for scientists, engineers, teachers, and students. Calculates mathematical formulas of any length and complexity.
A program to search for eclipses (lunar, solar, total, annular and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in four lunar calendars.