RedCrab Software

Software and tools for science, technology, engineering and mathematics

RedCrab Calculator

Math software
with full screen formula editor

Free placement of algebraic formulas in mathematical notation 2D- and 3D function-plotter Functions for technical, scientific , statistical and financial calculations

Math Tutorial

Helpful Hints for Easily Solving Different Types of Mathematical Problems

Online Calculator

Online calculator with hundreds of math functions and formulas. Optimized for PC and mobile phone.

SonoG Tone Generator

Tone generator software with two stand-alone generators

Frequency direct input from the key panel or step less adjustable with radio knobs

SonoG supports tone-burst, modulation, sweep and DTMF pulse.