Casio fx-7700GB (POWER GRAPHIC)

Casio fx-7700GB

The Casio fx-7700GB is a graphing calculator with 10 digits precision and formula input logic. It has 50 keys, and an LCD (liquid crystal) display. The power source is 4x2032 3V cell. The calculator was manufactured in Japan. Note: fx-7700G with addition of "Bus" program-link A sample of this calculator is held in the calculator.org collection.

Facts at a glance:

FeatureValue
TypeGraphing
Keys50
Precision10
LogicFormula
Display typeLCD
Display size96
Length173mm
Width81mm
Thickness16mm
Weight179g
Power Consumption0.220000W
Power Source4x2032 3V cell
CountryJapan
Year introduced1993
Year discontinued1996

User Manual

You can download the Casio fx-7700GB manual from this external link.

Diagnostics

Note that diagnostic tests generally delete any data on the calculator. Be sure to back up any important information held in the calculator before running these tests.

Switch calculator off, then hold down F6 and fraction (a b/c) keys and press AC. Choose from the test menu, or 0 to reset and exit. Use the EXE key to step through each test. For the keypad test, press each key indicated on screen.

Replacements:

If you have a Casio fx-7700GB that is no longer working, you can first try replacing the 4x2032 3V cell batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Casio