How-To Geek on MSN

How to use the LAMBDA helper functions in Microsoft Excel

Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.
EDN

Function generator with electronic regulation of capacitors

The possibility of creating a frequency-tunable function generator with rectangular and triangular pulses of constant amplitude and electronic synchronous control of equivalent capacitances in the ...