antissa

One desktop suite for fixed-point signal design. Compare waveforms, debug live values across builds, diagnose precision losses — without rebuilding your DSP code to instrument it.

Tutorials Tools Debugger Wave Compare

Tutorials

Step-by-step guides through the fixed-point porting workflow — each with an interactive widget and a short exam.
Tools

In-browser calculators — Q-format and fixed-point conversion, plus watch-expression generation.
Debugger

Bind float / fixed variable pairs in a live debug session and watch exactly where they diverge.
Wave Compare

About Mantissa

Built by mReza Naghibzadeh for fixed-point porting and verification work. Questions or consulting work? Get in touch →