eye test online for reading glasses


How to Read a TXF File

TXF files contain tax data. The format is standard with tax and accounting software. When you have a TXF file, you can easily open it in TurboTax, Microsoft Money, H & R Block At Home and Mint.com software. This is handy when a tax preparer creates a file with your tax information that you would […]



How to Read a Humminbird Fish Finder

Humminbird fish finders are a popular type of fish finder and help fishermen and other recreational boaters determine what is in the water beneath them. These fish finders show the bottom of the lake, river, or reservoir, as well as fish, debris, and other items that are in the water. In addition, Humminbirds give information […]



How to Read the Oil Dipstick in a Honda Accord

Checking your oil on a regular basis keeps your vehicle running smoothly and efficiently. A low supply of oil can ruin an engine and having too much oil is detrimental as well. Many experts recommend that you check your oil levels each time you fuel up the car. The Honda Accord uses marks on its […]



How to Read an Oil Tank Gauge

If you think your boiler, warm air furnace or water heater has stopped working, the first thing you want to check is the oil tank gauge. By finding and reading your oil tank gauge, you can figure out if the heating appliance in your home is broken or if your tank is out of fuel. […]



How to Read Bus Time Schedules

Getting around a strange city without a car can be a simple task when you’re equipped with a map of the area’s bus routes. A glance at a bus timetable can leave uninitiated riders scratching their heads trying to decipher a checkerboard of times and places. Finding your destination on the chart along with the […]



How to Read Highway Blueprints

Civil engineers design highways and create large sets of documents called highway blueprints. These plans are sheets of drawings and charts that illustrate proposed new roadways or existing road improvements. Highway blueprints convey design, construction and right-of-way information that designers, contractors, estimators, construction workers, appraisers, negotiators, attorneys and property owners use. Contact your Department of […]



How to Read an IMG File

A disk image file on Apple computers have either an IMG or DMG file extension and hold the necessary items for installing applications on your hard drive. When opened, the IMG file displays the application’s name with a volume icon on your desktop, which can then be used to install the application and its necessary […]



How to Read pH in an Antifreeze Test

Antifreeze is specifically designed to protect a car’s engine from overheating and corrosion. The antifreeze removes heat from the car engine to prevent overheating. Antifreeze also has an agent that protects the engine against corrosion. Monitoring the pH of the antifreeze makes sure that the antifreeze is still protecting the engine. A too-low pH causes […]



How to Read a Mini DVD-RW

A mini DVD-RW disk is a recordable disk that is about half the physical size of a regular DVD-RW. Because of this, it can store about half of the total amount of data that a regular DVD-RW can store. All computer DVD drive disk trays have a small indentation inside of them for the purpose […]



How to Read a Pivot Table

Pivot tables allow you to create an organized summary of data within a spreadsheet. Pivot tables can calculate data by addition, average, counting and other calculations. A data set is summarized in a chart format which can be updated whenever the data set is updated. A pivot table can include multiple columns and rows from […]



My GE Refrigerator Thermistor Has a Bad Ohm Reading

GE refrigerators use thermistors to monitor temperature in order to keep refrigerator compartments at certain temperatures. A malfunctioning thermistor will prevent your GE refrigerator from cycling properly and can cost you money or ruin your food over time. The easiest way to test a thermistor is with an ohmmeter, which measures the electrical resistance of […]



How to Read a MOBI

The MOBI file extension, which is short for Mobipocket, is a popular e-book format. Digital Rights Management (DRM) can be used on the format to prevent illegal copying or viewing of e-books. You can read MOBI files on your computer with software that allows you to open them like the Kindle reading apps, FBReader and […]



How to Turn on a Screen Reader

A screen reader is a software component that interprets the words on a computer screen and re-represents it in either text-to-speech or a braille output device. Screen readers are part of family of technology used to help the visually impaired, illiterate, or disabled use mainstream computers and other devices. Microsoft, Linux and Apple all have […]



How to Read an EKG Strip

An electrocardiogram is a painless medical procedure that takes a measurement of your heartbeat that your doctor can use to analyze your heart’s health. An electrocardiogram will produce an EKG strip, which measures the electrical activity of your heart. Have your doctor administer an EKG. The results of the test will be immediately available on […]



Dangerous High Blood Pressure Readings

High blood pressure, or hypertension, occurs when the force of blood pushing against a person’s artery walls is stronger than it should be. Blood pressure is always measured with two numbers: systolic, when the heart pumps blood, and diastolic, when the heart relaxes. Systolic is the first number written or spoken in a blood pressure […]



Reading a Ruler Measurement

Reading a ruler measurement requires being very accurate and observant about the fractions of inches and centimeters, and guesswork is often necessary to get an exact decimal measurement. Read a ruler, whether it be metric or in inches, with an online math lesson from an experienced high school teacher in this free video on mathematics.



How to Read NFL Football Odds

There are two outcomes to every NFL game. The first result is on the scoreboard: Which team won and which team lost? The second tally is done by bettors: Which team covered, or beat the point spread? Picking winners and losers against the spread is a popular pastime. Before embarking on this adventure you must […]



Directions for Reading the Settings on Barometers

Torricelli, a mathematician and colleague of Galileo, invented the barometer in 1643. Scientists and meteorologists still use barometers today. A barometer measures air pressure, which indicates weather patterns. When used in conjunction with measurements such as temperature and altitude, you can make quite accurate weather predictions. The two main types of barometer, mercury and aneroid, […]



How to Fake Reading Palms

Need a palm reader for a party, carnival or fair? No problem. Learning how to fake reading palms can be fun and enjoyable for a person with a little acting talent and a lot of imagination. Here are a few tricks that can help anyone to fake reading palms. Preparing to Play the Part and […]



How to Read Sports Lines

In sports, the “line” on a game reflects an oddsmaker’s prediction not only of the outcome on the field, but also of the “action” on the game among bettors. Lines are set up in an attempt to get a roughly equal amount of money bet on both sides of each game, so that the sports […]