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Math Object List:

Parallax Approved OBJECT OVERVIEW VERSION ATTRIBUTES AUTHOR PUBLISHED UPDATED DOWNLOADS RATING
 
3DfixOLED

For Amateur Radio enthusiasts working with Microwaves and GPS stabilized oscillators I produced two chips for 3Dfix detection and display of other GPS parameters. The first thing I did when ...

1.04 W1AUV 2008-09-03 2008-09-04 515  
 
Convert Sensirion

Object for converting the output of the Sensirion SHT11 to a more usable form.

1.0 Peter Quello 2007-03-27 2007-03-27 861  
 
cyclic redundancy check (CRC)

This is a simple SPIN CRC8 object. You can send either a string or a pointer to a byte array. I'll add CRC16 and CRC32 at some point but right ...

1.0 Jwood 2008-12-01 2008-12-01 144  
 
Date/Time

Date/Time contains two objects to handle calendar dates and times. Demos are provided to show the function of each method. One handles a byte string with year, month, day, hour, ...

1.0 Bob Belleville 2007-04-19 2007-04-19 1,329  
 
Dynamic Math Lib

A modified version of Float32Full that allocates cogs dynamically. Somewhat slower than the original, but only uses up one cog, and can be shared between multiple objects. Just call it ...

1.0 matteo borri 2006-11-15 2006-11-15 1,230  
 
Dynamic Math Lib - Nav Optimized

Update to the dynamic math lib. It's faster and occupies about half the space as it used to.

2.0 matteo borri 2007-08-29 2007-08-29 849  
 
Fixed-point math with trig functions in SPIN

This PST application shows the first Fixed-point arithmetic library object on OBEX. The "SPIN_TrigPack" object is a complete Fixed-point package with the basic trigonometric functions for robot and navigation projects. ...

1.2 I.Kövesdi 2009-08-27 2009-09-04 157  
 
Floating Point

IEEE-754 compliant Propeller floating point math package for functions callable by both Spin and assembler code. Contains Float32, Float32Full, Float32A and documentation. (V1.4 - updated Exp, Exp10, Log, Log10)

1.4 Cam Thompson 2007-09-26 2008-03-14 1,683  
Floating Point Demo

Floating point math demo uses tv_terminal, FloatMath and FloatString objects.

1.0.1 Chip Gracey (Parallax) 2006-11-24 2008-02-27 1,734  
 
FloatString

This is an update to the FloatString object. It adds the FloatToFormat routine to return a string of up to 9 characters with the specified number of decimal points. (e.g ...

1.1 Cam Thompson 2006-07-14 2008-03-14 1,371  
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