Plus Minus for iPhone

Plus Minus

Plus Minus is a number puzzle to home your math skills.  You have to complete all the equations so they equal zero by adding either a plus or a minus sign.  Test your math at 38i.biz/plusminus.

iTIPZ for iPhone

iTIPZ

iTIPZ is yet another tip calculator.  You can divide the check between the parties.  It features rounding the tip up or down and palindrome calculation to identify the correct amount is charged.  Tip you waiter at 38i.biz/iTIPZ.

Timer of Zen for iPhone

Timer of Zen

Timer of Zen is a countdown time that is intended for timing meditation but it can be used for any timing.  When the time is expired, a gentle chime plays.  Begin your meditation at 38i.biz/timerofzen.

Sci-Calc for iPhone

Sci-Calc

Sci-Calc is a basic scientific calculator for the iPhone.  Sci Calc includes functions for factorials, square roots, powers, logarithmic, and geometric equations.  It even includes a memory stack.  Make some calculations at 38i.biz/scicalc.

Mine Maze for iPhone

Mine Maze

Try to navigate through a mine field without landing on a land mine.  Formatted for the iPhone, Mine Maze navigation is determined by which colored blocks you select.  When you are near a mine, you are warned about the mines around you.  Don't set off the mines at 38i.biz/minemaze.

Chess Clock

Chess Clock

A chess clock with lots of options for the iPhone.  Chess Clock allows you to set the time, overtime if the initial time is for the first 40 moves, and an optional 5 second Fischer Delay.  Play chess with the chess clock at 38i.biz/chessclock.

Mahjong Tower for iPhone

Mahjong Tower

Mahjong Tower is a mini version of Mahjong.  Using only 72 tiles, Mahjong tower is ideally formatted for the iPhone.  Match similar tiles to remove them from the board.  Match the tiles at 38i.biz/mahjongtower.

Trillion for iPhone

Trillion

Tillion is a puzzle based on the original handheld version.  Rearrange the colored balls to their rings.  38i.biz/trillion.

Safe Cracker for iPhone

Safe Cracker

Find the combination to the safe in this fun puzzle for the iPhone.  Similar to Mastermind, Safe Cracker gives you 8 chances to crack the safe before the cops arrive.  Crack the safe at 38i.biz/safecracker.

SimpleGraph for iPhone

SimpleGraph

SimpleGraph is a freeform graphing program for the iPhone.  Simply enter an equation to solve for Y and a simple graph is plotted.  The equation editor is very powerful and include built in functions.  Solve for Y at 38i.biz/simplegraph.

Blackjack for iPhone

Blackjack

Blackjack is the standard game of 21.  Play against the house with Doubling Down and folding.  Place your bet and deal away at 38i.biz/blackjack.

3 Mens Morris for iPhone

3 Mens Morris

3 Mens Morris is an ancient game where you move your piece to get 3 pieces in a row or prevent your opponent from moving.  It is sort of a tic-tac-toe for adults.  Get 3 mens morris at 38i.biz/3mm.

Shooting Gallery for iPhone

Shooting Gallery

Shoot the arrows at the targets.  Try to pop only the balloons.  If you hit the stuffed animals, you will lose points.  Pop all the balloons at 38i.biz/shootinggallery.

9-Ball Challenge for iPhone

9-Ball Challenge

9-Ball Challenge is a number puzzle game. Arrange the 9 billiard balls from 1-9.  The cue ball ends up in the middle to win.  This puzzle is very challenging.  Arrange the billiard balls at 38i.biz/nineball.