Math Technology

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Large Type and Talking Five Function Calculators and Applied Math

A parent writes: I'm trying to find other options for my son in computing math problems. He is a sophomore this year and is taking applied math. He has visual impairment due to saccadic eye movements. He also has involuntary muscle movements. Fine motor skills are very difficult, if not impossible. Can anyone suggest a calculator that would work for him? For instance, are there portables with enlarged keys that repeat entries with speech synthesis...AND are easy to use? Any suggestions would be appreciated

Susan replies: Since your son is taking applied math, I would recommend a five function (+, -, *, /, %) talking calculator. There are several models and prices and various vendors. I will give you a list to choose from, but there may be other sources closer to home where you can find bargains. The calculators described in depth below are the ones I have successfully used with those of my applied math students who had great difficulty with talking calculators having small keys and compact keypads.

Independent Living Aids, Inc.
200 Robbins Lane
Jericho, NY 11753-2341
800-537-2118

They have a talking desktop calculator with a large 8 digit LCD readout, a repeat key, and enlarged keys for $18.95 (with earphone $28.95). They have quite a variety of other talking and/or large number calculators as well.

The Lighthouse Inc.
36-20 Northern Blvd.
Long Island City, New York 11101
800-829-0500

They have the same calculator as above at a cost of $29.95.

Other possible sources:

Ann Morris Enterprises, Inc.
551 Hosner Mountain Rd.
Stormville, New York 12582-5329
800-454-3175

Carolyn's Low Vision Products
1415 57^th Avenue West
Bradenton, FL 34207
800-648-2266

LS&S Group, Inc.
P.O. Box 673
Northbrook, IL 60065
800-468-4789

Magnification Station
Mesa Plaza Shopping Center
8022 Mesa Drive
Austin, TX 78731
512-345-4123

Maxi Aids & Appliances for Independent Living
42 Executive Blvd.
P.O. Box 3209
Farmingdale, NY 11735
800-522-6294

Science Products
Box 888
Southeastern, PA 19399
800-888-7400

If you still can't find that perfect calculator, the following vendor makes custom keyguards for calculators.

Turning Point Therapy & Technology, Inc.
P.O. Box 310751
New Braunfels, TX 78131-0751
Phone: 830-608-9812

Call for a catalog, but be sure to check out your local resources. It's always better to try things out in person if possible. See Vendors of Math Materials for more detailed information on the above vendors.

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Last updated: August 21, 2006