Four Weeks of English or Math Tutoring for One, Two, or Three at Eye Level (Up to 60% Off)

Eye Level - Orland Park

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In a Nutshell

In each one-hour session once every week, tutors help children aged 3–18 master critical-thinking math and English skills

The Fine Print

Promotional value expires 90 days after purchase. Amount paid never expires. Limit 1 per person, per student, may buy 2 additional as gifts. Valid only for option purchased. Reservation required, subject to availability. Must attend sessions in consecutive weeks, with same day and time. Valid for Math or English only. Appointment required for initial assessment. Check with center for program details. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.


Choose from Three Options

  • $120 for four weeks of English or math tutoring for one ($250 total value)
  • $200 for four weeks of English or math tutoring for two ($500 total value)
  • $300 for four weeks of English or math tutoring for three ($750 total value)<p>

Each student receives:

  • Regular tuition ($150 value)
  • Registration fees ($60 value)
  • Materials fee for folder and weekly booklets ($20 value)
  • Diagnostic-test fee ($20 value)<p>

Pocket Calculators: Bite-Sized Binary

Doing math is much easier with a calculator in your hand, but what's really happening under those buttons? Read on to learn more about the complex calculations happening inside.

Few modern inventions are as taken for granted as the calculator. Today's calculators are so small as to be practically forgotten, tucked away in a pocket or the apps folder of a smartphone. But despite the compact size, a calculator's functions are surprisingly complex—the collaboration of several electronic circuits working together is needed to arrive at something even as simple as 2+2. When a user presses the buttons of a calculator, a chip inside translates each input into a binary number—a series of 1s and 0s—which it can more easily store in memory and send through a variety of built-in functions. Each function exists on an integrated circuit with its own logic and assortment of tiny counting beans. At the end of the calculation, the processor translates the binary solution back into a legible number and sends it to the calculator display. Heck, even the display is controlled by binary logic, which is why the numbers commonly consist of segmented lines. Each part of every numeral can be turned on or off according to the processor's instructions.

All this work happens so quickly and seamlessly we barely think twice about it. But only a few decades ago, the digital calculator was a revolutionary device—a mash of circuits and displays the size of a cash register and the cost of a midsize car. Before the 1960s, the only tools used to make personal calculations were objects such as the abacus and, beginning in the early 19th century, a variety of crude mechanical computers that used wheels and cogs to carry about basic arithmetic. Sharp unveiled the first desktop calculator in 1964, but it wasn't until the development of the microprocessor a few years later that engineers could begin to create pocket-sized versions. Nevertheless, calculators remained an expensive novelty for quite some time. A 1971 commercial for the Sharp EL-8, one of the first handheld calculators, touts its "price tag to match"—the low, low price of $345.

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    Orland Park

    9224 W 159th St.

    Orland Park, IL 60462


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