Kanchan Waikar

The matrix is an indispensable tool for engineers and mathematicians. Matrices are used in many engineering applications for solving linear equations, differential equations of n-order, and so on. Mathematicians have developed matrix arithmetic to help engineers in solving their engineering problems. It is generally very easy to understand and perform. However, due to the mere size of the computations involved, it's prone to errors. Even at the school level, students want to use a calculator to solve (or at least verify the results of) their school assignments on matrices. Some of the scientific calculators support Matrix Arithmetic. These scientific calculators are not always handy. In recent days, mobile phones have become abundant and one may dare to say that virtually every literate person in this world possesses a mobile handset. Many of the present-day mobile h... (more)

Building a Simple VocabBuilder Application

To make a good impression, one needs to have a good vocabulary. Management Professionals, University Professors, or GRE/GMAT aspirants - we all benefit from a decent set of words in this competitive world. There are different ways we can improve our vocabulary, such as reading novels, articles, dictionaries and so on, but we often find very little time to do so. During our "down-time" - when we are stuck in traffic for hours, or standing in some long queue - our mobile phone is often our only source of entertainment. If our mobiles - which one in three people already carry - had ... (more)

Is Your Mobile Safe?

We don't forget to scan our PC for viruses and worms but we conveniently forget to download a virus checker for our mobile. Most of us are still under the impression that mobiles are completely secure, which isn't true. There are a number of threats that can crash your mobile handset. Since few people have suffered from such harmful programs, mobile attacks haven't gotten much publicity. In personal computers, viruses attack through removable drives and Internet attachments whereas M-viruses and worms attack through SMS, downloadable application files, Bluetooth, etc. We have ve... (more)