Introduction to WPMathPub and Rosetta
Schrödinger equation: The text version: d^2 psi(x) /dx^2 = – 2m/ h-bar^2 * [E – V(x)] * psi (x) Net Present Value equation: The text version: NPV = (Sum of [Cash Flow / (1 + Rate)^Period]) – Initial Investment
-
-
Real-Time Rate Monotonic Analysis
Real-Time Rate Monotonic Analysis (RMA) is a mathematical method for proving that fixed-priority, periodic real-time tasks will always meet their deadlines under rate monotonic scheduling (RMS). Ron Fredericks Presents RMA at Embedded Systems Conference Developing real-time embedded software is a specialty that requires knowledge of both embedded system design and timing constraints imposed by physical…
-
WordPress wpmathpub Plugin: WordPress classic editor
Demonstrate Equation Display Using the Classic Editor This example uses the visual editor Gradient vector for f(x,y) expressed as text equation as a symbolic formula Visual and Code Views for This Example Official WordPress wpmathpub Plugin Page
-
WordPress wpmathpub. Plugin: Simple HTML
Demonstrate Equation Display using HTML This example does not use any HTML editor plugin Gradient vector for f(x,y) expressed as text equation as a symbolic formula HTML Code for This Example Official WordPress wpmathpub Plugin Page
-
How to Display Math Symbols in WordPress
I recently found myself spending a lot of time uploading math images copied from screen shots of MathCad output. This problem became even worse when an economist pointed out several areas where I could improve my mathmatical development. Some background notes So I decided it was time to find a simple way to display WordPress…
-
Introducing 74HC193 Simulation to LTspice
Note: This post was last reviewed for content and links on 2/23/2026 Ron Fredericks writes: I have completed the design and test of a new component for LTspice SwitchCAD III circuit simulation and schematic capture In a previous post I discussed my interest in the 4193 presettable synchronous 4-bit binary up/down counter IC for a…
-
New Gate Design Using LTspice/SwitcherCAD III
Note: This post content and links have been reviewed and updated 2/23/2026 Ron Fredericks writes: recently I discovered that I was going to have to create my own IC component and symbol for my on-going digital volume control circuit simulation. My first step was to check in with the LTspice forums on Analog Devices website….
-
Simulating the 555 IC with LTspice
Note: This post has been reviewed and updated for content and links: 2/23/2026. Ron Fredericks writes: I was designing a simple CMOS timer circuit around a 555 chip this evening. It might be the heart beat for a new digital volume control I have been thinking about. Normally I look for my breadboard and parts…
-
WordPress Math Publisher Plugin Support
Ron Fredericks writes: This is just a short post to point my readers to a new mathematics publishing plugin available from ECI’s Blog Center. This plugin offers a simple alternative to the more standard approaches: XML’s MathML and Math into LaTeX. WordPress Math Publisher plugin home page www.embeddedcomponents.com/wordpress/wpmathpub/ Usage An example of how it can…
-
How to Leverage the Value of a Board Support Package
Ron Fredericks writes: There are three separate views to what defines an effective Board Support Package (BSP). I believe each of these views is correct as independent descriptions of a BSP. But together these views provide insight into the embedded target from equally important perspectives or engineering disciplines. Read this post to learn more about…
