Steffen Frost

iPhone developer at Carticipate who developed xyztCalc as an exercise to learn Objective-C and Apple SDK

[Steffen Frost @xyztCalc]

HP typically priced their equipment at the cost of the material list × π (or in an especially competitive market, list × e) #hp35 https://t.co/bR1ccnHpF7

[Steffen Frost @zenRPN]

The HP-35
Consumer Electronics, an Origin Story
https://t.co/uqBZP0LvSN

[Steffen Frost @xyztCalc]

Green Tech to Improve Your Camping Trip — Life Scoop http://bit.ly/bYGqS0

[Steffen Frost @xyztCalc]

The Zen of RPN: xyztCalc by Carticipate, a popular simple calculator for geeks http://bit.ly/doUAHp #math #education #iphone #utility

[Steffen Frost @xyztCalc]

The best RPN calculator 4 the iPhone just got better v1.1.3 allows for variable decimal points http://bit.ly/xyztCalc #math #science #school

[Steffen Frost @xyztCalc]

xyztCalc v1.0.1 went live yesterday, should have been v1.1 given all the improvements made for this RPN calculator http://bit.ly/xyztCalc

[Steffen Frost @xyztCalc]

Version 1.0.1 went live yesterday. Should have been v1.1 given all the improvements for this RPN calculator http://bit.ly/xyztCalc

[Steffen Frost @xyztCalc]

Version 1.0.1 was approved today and is now available for download.

[Steffen Frost @xyztCalc]

New RPN calculator now available on iTunes, xyztCalc has big buttons and basic functions http://bit.ly/9ZJa1y

[Steffen Frost @xyztCalc]

We submitted version 1.0.1 to the app store for review.

[Steffen Frost @xyztCalc]

What every app developer loves to see, an email from Apple: "Your application is Ready for Sale"

[Steffen Frost @xyztCalc]

We just submitted xyztCalc to the app store, Steffen Frost's first applicaiont.