Suggestions for Fltpoint

The following packages have something in common with the package Fltpoint. The packages are ordered in decreasing similarity.

Package polexpr: A parser for polynomial expressions
Package calcfrac: Calculates the value of an expression containing fractions
Package realcalc: Macros for real arithmetic calculations
Package xint: Expandable arbitrary precision floating point and integer operations
Package tuple: Expandable operations for tuples of numbers
Package minifp: Fixed-point real computations to 8 decimals
Package zeckendorf: Knuth Fibonacci multiplication, Zeckendorf and Bergman representations of big integers
Package xlop: Calculates and displays arithmetic operations
Package localloc: Macros for localizing TeX register allocations
Package tokmap: Iterate over a token list expandably, without dropping spaces or braced groups
Package plainpkg: A minimal method for making generic packages
Package etoolbox-generic: A loader for etoolbox.sty in non-LaTeX formats
Package addtoluatexpath: Add paths to Lua packages and input TeX files
Package langcode: Simple language-dependent settings based on language codes
Package basicarith: Macros for typesetting basic arithmetic
Package expkv-cs: Define expandable key=val macros using expkv
Package ltxcmds: Some LaTeX kernel commands for general use
Package namedef: TeX definitions with named parameters
Package pdftexcmds: LuaTeX support for pdfTeX utility functions
Package visualtoks: Typeset TeXbook-style visualisations of token lists
Package catcodes: Generic handling of TeX category codes
Package collargs: Collect arguments of any command
Package longdiv: Long division arithmetic problems
Package chinese-jfm: Luatexja-jfm files for Chinese typesetting
Package expex-acro: Wrapper for the expex package
Package hologo: A collection of logos with bookmark support
Package iftex: Am I running under pdfTeX, XeTeX or LuaTeX?
Package luakeyval: A minimal key/value system for LuaTeX based on token.scan_key_cs
Package luakeys: A Lua module for parsing key-value options
Package lua-placeholders: Specifying placeholders for demonstration purposes
Package stretchy: Macros for creating stretchy TeX symbols