Sigma Sky

write checks

Paid

A little bit of help for those learning how to write checks.

electrical engineering 1

Paid

This is a primer for undergraduate Electrical Engineering majors and provides reference for basic electrical engineering and related topics. The...

doodle first art

Paid

This is an introduction to art through whimsical drawings and colorings. It also encourages expression and creativity through art.The app includes...

Circuit Elements

Paid

Circuit Elements is an application intended as a quick reference to basic circuits topics such as:+ impedance, + magnitude of impedance, + phase...

Logic Op

Paid

Logic Op is a pocket reference for basic digital logic. Features include:+ Logic Gates: references and examples+ Boolean Logic: references and...

write bopomofo

Paid

Practice writing and pronouncing bopomofo. Additional features include tracing of some Chinese characters and numbers. Also included is a sketch...

engineering economics

Paid

Engineering Economics is often required as an introductory course to Systems Engineering/ Industrial Engineering. In some curriculum, it is also...