Educator™ TI-73 Explorer™
Graphing Overhead ™ Calculator

Fraction Capability - Built-in

• Give students a step-by-step view of
  numerical relationships and simplification methods
  
• See and manipulate fractions the way
  they appear in textbooks - stacked.
  
• Convert fractions to decimal, percent,
  and whole-number-with-remainder formats
  

Data Analysis - Built-in

• Plot data in pie charts, pictographs,
  bar charts, scatter plots, histograms, and more
  
• Explore numerical and categorical
  data by entering and viewing date on the list editor
  
• Compatible with CBR™ and CBL™ data
  collection systems

TI-73 Overhead
	$289.95

• 2-line display: shows entries and results
• Previous entry feature; scroll up or
  down to review and look for patterns
• Problem-solving feature; create
  problems to develop computational
  skills... choose difficulty level, type of operation, find the operation, or
  inequalities
• Rounding feature; builds number
  sense and estimation skills
• Place value feature, constant
  operation with counters
• Menus
• Manual (English/Spanish)

TI - 10
	$82.95

• 2-line display: entries on top line, results on bottom line
• Scroll up to review previous entries and results
• Fractions displayed in stacked format
• Problem-solving feature:
  student or calculator creates problem with 3 levels of difficulty, solution hints displayed
• Unique place value feature shows students the place value of any digit
• Division results expressed in 3 ways: quotients and remainders, fractions, or decimals
• Manual included (English, Spanish, Portuguese, French)

• 2-line display: entries on top line, results on bottom line
• Scrolling display
• Previous entry feature
• Menus: select settings for your classroom needs
• Fraction feature: fractions and mixed numbers operations
• 2 constant keys with counter
• Integer division key: results as quotients and remainders
• Symbolic value of pi: recognizes pi as a symbol in radian mode
• Basic scientific & trigonometric functions
• Manual included (English, Spanish, Portuguese, French)

• 2-line display: entries on top line, results on bottom line
• Scrolling display
• Previous entry feature
• Menus: select settings for your classroom needs
• Fraction feature: fractions and mixed numbers operations
• 2-variable statistics
• Conversions:
  • Fractions/Decimals;
  • Degrees/Radians/Grads;
  • DMS/Decimal/Degrees
• Basic scientific & trigonometric functions
• Manual included (English, Spanish, Portuguese, French)

This unique calculator has features to help your students develop and practice math that are available on no other calculator.

Click here for details and features.

Overhead	MathMaster
	$44.95
Standard	MathMaster
	$6.95

[ Click here for specifications. ]

Functions as the Math Explorer with large keyboard and display. Also performs integer division unlike other available calculators. With floating negative sign, 15 levels of parentheses, fixed decimal capacity, fraction to decimal conversion and vice versa, & true algebraic logic. Manual (with instructions in Spanish) included.

This unique calculator has features to help your students develop and practice math that are available on no other calculator. Click on the calculator for a listing of Math Master's many unique features.

Math Master
	$6.95
Overhead Model
	$44.95

This overhead version of the TI-30Xa SE has the same functions and keyboard layout. It has all the features of the Educator Scientific, with the following key additions: fractions, one-variable statistics, degrees-minutes-seconds to decimal degrees conversion, ten-digit display and more. Manual included.

TI-30Xa SE
Overhead Calculator

Scientific Plus
	$94.95

Apothecalc Desktop and Overhead Calculator.

The APOTHECALC is a pre-programmed computer with sequences that calculate body surface area, dose rates, administration rates for medication, volume, concentration and more. It is also a powerful units measurement converter with 28 key conversions like CC to ounce, grain to GM, ML to MCGTT, F° to C°, LB to KG, MG to GM and more. In addition, the APOTHECALC is a normal five-function calculator. Other features include:

• Memory stores results, saving re-entry of data
• Backlit display allows reading in all light levels
• Detailed instruction manual plus Quick Reference Guide
• 30-day money back guarantee
• One-year warranty

112.5mm (4-3/8") x 74mm (2-7/8") x 7mm 3/8" Power source: two lithium button batteries.