Apps by Marc Davis

Wrist Checklist 1.0

PAID
**Buy Wrist Checklist and get Night Tracker FREE with the Daily Productivity Pack! Look for the associated App Bundle!** This app provides a convenient and simple checklist that works both on your iPhone and your Apple Watch! On the iPhone, you can...

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Mohr's Circle 2D 1.0

PAID
Determines the normal and shear stress acting on a plane given the values of normal and shear stresses acting on Vertical and Horizontal Planes. Interactive location of the plane and shows real orientation of plane. Determines the values of the major...

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Gravity! 2.2

FREE
This app simulates the effects of gravity. You can fling particles at each other and watch them interact. Create solar systems and galaxies! Make a planet and fling asteroids into it! Add a black hole and watch everything get sucked in! You can...

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Lafayette History 1.3

FREE
The Lafayette Historical Walking Tour is a self-guided tour of historic sites in Lafayette, California. It includes text, current and past images, and audio. Explore the history of this town in a way you never could before! Slide between the past and...

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School Registration Grade Placement Calculator 1.0

PAID
School Yr Calc is a useful tool for calculating the proper grade placement for a student registering for school based on the student's birthdate. The user can input the school district's cutoff dates for Kindergarten as well as Transitional...

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Night Tracker 1.0

PAID
**Buy Night Tracker and get Wrist Checklist FREE with the Daily Productivity Pack! Look for the associated App Bundle!** Get more sleep! Do you often stay up later than you plan to? Do you have trouble getting enough sleep? Do you find yourself...

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Mazetron 1.6.3

FREE
Mazetron is a simple high-score based game in which you guide a red rectangle through an endless minefield of squares. Tap the sides of the screen to control your rectangle. Survive as far as you can to get a high score! Mazetron II is in...

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