Manfred Breede

This app calculates the required Image/Platesetter output resolution for any desired halftone-screen

This app calculates the weight of a paper roll from given roll diameter, core diameter and roll widt

Tap on the squares to show the products of the multiplications. Tap again to revert back to the mult

-This app marks your path on a map from where you started to walk or drive to where your current loc

This app downloads the United States Geological Survey (USGS) data on worldwide earthquake activitie

This camera app creates a customized postcards. The postcard design features photos selected from th

Both, the Maya numeral system and our decimal numbers are positional or place-value notations, which

If you are like many recreational golfers, who score well above par, you know that keeping track of

This app reports the air quality of 36 location in the Province of Ontario, Canada. The data is show

This app will calculate the unit prices of two products from their prices and their weight, length,